List of regents
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A regent is a person selected to act as head of state (ruling or not) because the ruler is a minor, not present, or debilitated. Currently there are only two ruling Regencies in the world, sovereign Liechtenstein and the Malaysian constitutive state of Terengganu (see below). The following is a list of regents.
Regents in various current monarchies 
It should be noted that those who held a regency briefly, for example during surgery, are not necessarily listed, particularly if they performed no official acts; this list is also not complete, presumably not even for all monarchies included. The list includes some figures who acted as regent, even if they did not themselves hold the title of regent.
- Baron Erasme Louis Surlet de Chokier, Regent of Belgium in 1831
- Prince Charles of Belgium, Prince Regent of Belgium from 1944 to 1950
- Regent Empress Dowager Jingū for her son, the future Emperor Ōjin
- Prince Regent Shōtoku for his aunt, Empress Suiko
- Fujiwara Regents as Sesshō or Kampaku
- Prince Nayeff bin Abdullah from the 20 July to 5 September 1951, due to the schizophrenia of King Talal, who was in a Swiss mental hospital.
- Crown Prince Hassan, from 4 July 1998 to 19 January 1999 while his brother King Hussein was undergoing cancer treatments.
- Hereditary Prince Alois has been Regent since 15 August 2004.
- Duke Adolph of Nassau was Regent from 8 April 1889 to 3 May 1889 and from 4 November 1890 to 23 November 1890, during the terminal illness of Grand Duke William III.
- Grand Duchess Marie Anne was Regent to her husband, Grand Duke William IV, during his terminal illness from 19 November 1908 to 25 February 1912, and then Regent to her daughter, Grand Duchess Marie-Adélaïde, during her minority from 25 February 1912 to 18 June 1912.
Malaysia and its constitutive monarchies 
- Tengku Muhammad Ismail (eight-years of age) co-reigns with the three-member Regency Advisory Council (Majlis Penasihat Pemangku Raja). His father, Sultan Mizan Zainal Abidin the Sultan of Terengganu was elected as 13th King of Malaysia. The Malaysian constitution does not allow a simultaneous reign as both the King of Malaysia and as Monarch of the King's native state (deemed absent on the State throne). Sultan Mizan was crowned as King on 13 December 2006 and the prince as the Regent (Pemangku Raja) of Terengganu effective on the same date.
- Prince Albert was Regent from 31 March 2005 to 6 April 2005, when he succeeded his father as Albert II of Monaco
- The Wattasid Vizier Abu Zakariya Yahya was regent during the minority of the Marinid sultan Abd al-Haqq II; the Wattasid Viziers however kept the power beyond the majority of Abd al-Haqq II, until 1459 when most members of their family were killed by the sultan, allowing him to return to power.
- Queen Emma (1890–1898), during the minority of her daughter Wilhelmina of the Netherlands
- Juliana of the Netherlands (1947, 1948), during illness of her mother Wilhelmina of the Netherlands
- King Magnus Eriksson (1343–1355) after stepping down from the throne in favor of his son Haakon Magnusson
- Crown Prince Haakon was Regent from 25 November 2003 to 12 April 2004 and again on 29 March to 7 June 2005 during the illness of his father King Harald V
- for the minor Hami Sa`id (II) ibn Sultan (b. 1790 – succeeded 20 November 1804 – d. 19 Oct 1856) : 20 November 1804 – 31 July 1806 Badr ibn Sayf (d. 1806)
- for Sultan Turki ibn Sa`id (b. 1832 – succeeded 30 January 1871 – died 4 Jun 1888) : August – December 1875 Abdul-Aziz ibn Said – (b. 1850 – d. 1907)
- H.E. Shaikh Abdullah bin Jassim Al Thani was proclaimed as regent when his father Sheikh Qasim bin Muhammad Al Thani became incapacitated, 13 May 1913; succeeded on his death, 17 July 1913
Saudi Arabia 
- 30 March 1964 – 2 November 1964 Faysal of Saudi Arabia (b. 1906 – d. 1975) –Regent for king Sa`ud of Saudi Arabia and later his successor
- 1 January 1996 – 21 February 1996 formally and de facto till 1 August 2005 Abdullah of Saudi Arabia (b. 1924) –Regent for king Fahd of Saudi Arabia and later his successor
- Cardinal Cisneros, twice regent of Castile (1506–1507 and 1516–1517) for Queen Juana and her son Charles I
- Joan of Austria, Princess Dowager of Portugal (Infanta Juana), regent of Castile (1554–1559) for King Philip II of Spain during the king's marriage to Queen Mary I of England
- Mariana of Austria, regent of Spain during the minority of her son Charles II from 1665 to 1675.
- Luis Manuel Fernández de Portocarrero cardinal and archibishop of Toledo during the illness of Charles II and Philip V absence from 1700 to 1701.
- A Supreme Central and Governmental Junta of Spain and the Indies from 25 September 1808 to 29 January 1810 and a Regency Council from 29 January 1810 to 24 March 1814 during the imprisonment/abdication of Ferdinand VII.
- Maria Christina of the Two Sicilies during the minority of her daughter Isabella II from 1833 to 1840.
- Baldomero Espartero, Prince of Vergara during the minority of Isabella II from 1840 to 1843.
- Francisco Serrano, duke of la Torre, during the interregnum between the reigns of Isabella II and Amadeo I, from 1869 to 1870.
- Maria Christina of Austria, regent during her pregnancy after her husband's death and then for her son Alfonso XIII from 25 November 1885 – 7 May 1902.
- the Caudillo general Francisco Franco, became de facto regent for life in 1947 to 1975, after reinstating the monarchy with a vacant royal throne ultimately filled by Juan Carlos.
- Mats Kettilmundsson (1318–1319), between the deposition of king Birger Magnusson and the election of three-year-old Magnus Eriksson as king.
- Ingeborg of Norway (1319–1326) president of the council of regents for her under age son, king Magnus Eriksson, in both Sweden and Norway.
- Karl Knutsson (Bonde) (1438–1440), during the interrgnum following the deposition of king Eric XIII; later became king as Charles VIII
- Bengt Jönsson Oxenstierna (1448; together with his brother Nils Jönsson Oxenstierna), during the interregnum between the death of Christopher of Bavaria and the election of Karl Knutsson (Bonde) as king.
- Nils Jönsson Oxenstierna (1448; together with his brother Bengt Jönsson Oxenstierna), during the interregnum between the death of Christopher of Bavaria and the election of Karl Knutsson (Bonde) as king.
- Jöns Bengtsson Oxenstierna (1457; together with Erik Axelsson Tott), during the interregnum following the first deposition of King Charles VIII, and again (1465–1466), following his second deposition.
- Kettil Karlsson Vasa (1464), during the interregnum following the first deposition of King Christian I; and again (1465), following the second deposition of Charles VIII
- Erik Axelsson Tott (1457; together with Jöns Bengtsson Oxenstierna) (1466–1467), following the end of Jöns Oxenstierna's second regency.
- Sten Sture the Elder (1470–1497, 1501–1503) the longest serving regent during the Kalmar Union
- Svante Nilsson (1503–1512), succeeding Sten Sture the Elder.
- Erik Trolle 1512.
- Sten Sture the Younger (1512–1520), succeeding Svante Sture.
- Gustav Eriksson Vasa was firstly Regent (1521–1523) after the final dissolution of Kalmar Union, but soon was proclaimed King.
- Duke Charles of Södermanland (1599–1604) after ousting his Catholic nephew King Sigismund, until he himself claimed the throne.
- Axel Oxenstierna (1632–1644), during the minority of Queen Christina.
- Dowager Queen Hedwig Eleonora of Holstein-Gottorp (1660–1672), during the minority of her son King Charles XI, and again (1697–1699), during the minority of her grandson King Charles XII.
- Charles, Duke of Södermanland (1792–1796) for his underage nephew Gustav IV Adolf of Sweden, and again (1809) after Gustav IV Adolf was deposed and before Charles himself was proclaimed King Charles XIII.
- Crown Prince Charles John (1810–1818), for his adoptive father King Charles XIII, due to Charles XIII's incapacity.
- Crown Prince Charles (1857–1859), for his father King Oscar I, due to Oscar's incapacity.
- for the minor Chulalongkorn (Rama V) (18 October 1868 – 23 October 1910) : 18 October 1868 – 16 November 1873 Chao Praya Siri Suriyawongse (d. 1882)
- for Prajadhipok (Rama VII) (26 November 1925 – 2 March 1935; in self-imposed exile from 12 Jan 1934) : 12 January 1934 – 2 March 1935 Prince Naritsaranuwatiwong Chitchalerm
- for Ananda Mahidol (Rama VIII) (2 March 1935 – 9 June 1946; in Switzerland to 5 December 1945) :
- for present king Bhumibol Adulyadej (Rama IX) (b. 9 June 1946) :
United Kingdom and the other Commonwealth Realms, and its predecessor realms 
The Kingdom of Great Britain 
- After the death of Queen Anne in 1714 a regency under Baron Parker, the Lord Chief Justice, was set up while King George I was sent for to take up the crown.
The Kingdom of England 
- William Longchamp (intermittently 1189–1199), during the absences of Richard I on crusade, in prison, and in France.
- William Marshal, 1st Earl of Pembroke (1216–1219) and then Hubert de Burgh, 1st Earl of Kent (1219–1227), during the minority of King Henry III
- A regency council headed by Henry, 3rd Earl of Lancaster (1327–1330) during the minority of Edward III
- John, Duke of Bedford (1422–1435) and Humphrey, Duke of Gloucester (1422–1437), during the minority of their nephew, Henry VI
- Richard Plantagenet, 3rd Duke of York (1454–1455; 1455–1456), during the incapacity of his cousin, Henry VI
- Richard, Duke of Gloucester (1483), during the minority of his nephew, Edward V
- Lady Margaret Beaufort (21 April - 27 June 1509) during the minority of her grandson Henry VIII
- Queen Catherine of Aragon, while Henry VIII was in France. In this time she played a large role in the defeat of the Scots at Flodden, and was Queen Regent for several months.
- Queen Catherine Parr, while Henry VIII was in France.
- Edward Seymour, 1st Duke of Somerset (1547–1550), during the minority of his nephew, Edward VI
- John Dudley, 1st Duke of Northumberland (1550–1553), during the minority of Edward VI
- During the month of March 1617, Francis Bacon served as regent of England during the reign of King James I of England
- William III personally led his army into battle each year during the Nine Years' War (1689–1698). In his absence, the kingdom was administered by his wife and co-ruler Queen Mary II until her death in 1694, and thereafter by a council of seven Lord Justices (sometimes referred to as the "Lords Regent"): William Cavendish, 1st Duke of Devonshire (1640–1707), Charles Sackville, 6th Earl of Dorset (1638–1706), Sidney Godolphin, 1st Earl of Godolphin (1645–1712), Thomas Herbert, 8th Earl of Pembroke (1656–1733), Charles Talbot, 1st Duke of Shrewsbury (1660–1718), John Somers, Baron Somers (1651–1716), and Thomas Tenison.
- George, Prince of Wales for his mentally ill father king George III of the United Kingdom in 1788 and from 1811 until his father death in 1820.
The Kingdom of Scotland 
- A regency council of six Guardians existed (1286–1290) during the minority of Margaret, Maid of Norway. These were; William Fraser, Bishop of St Andrews; Donnchadh III, Earl of Fife (followed by Donnchadh IV, Earl of Fife); Alexander Comyn, Earl of Buchan; Robert Wishart, Bishop of Glasgow; James Stewart, 5th High Steward of Scotland; and John II Comyn, Lord of Badenoch
- William Wallace (1298), claiming to act as regent on behalf of the deposed King John
- Robert the Bruce, Earl of Carrick (1298–1300)
- John III Comyn, Lord of Badenoch (1298–1301; 1302–1304)
- William Lamberton, Bishop of St Andrews (1299–1301)
- Sir Ingram de Umfraville (1300–1301)
- John de Soules (1301–1304)
- Thomas Randolph, 1st Earl of Moray (1329–1332) (during the minority of David II)
- Donald, Earl of Mar (1332) (during the minority of David II)
- Sir Andrew Murray (1332) (during the minority of David II)
- Sir Archibald Douglas (1332–1333) (during the minority of David II)
- Robert Stewart, 7th High Steward of Scotland (1334–1335) (during the minority of David II)
- John Randolph, 3rd Earl of Moray (1334–1335) (during the minority of David II)
- Sir Andrew Murray (1335–1338) (during the minority of David II)
- Robert Stewart, 7th High Steward of Scotland (1338–1341; 1346–1357) (during the minority of David II)
- John Stewart, Earl of Carrick (during the incapacity of his father, Robert II)
- Robert Stewart, 1st Earl of Fife (1388–1393) (during the incapacity of his father, Robert II and of his brother, Robert III)
- David Stewart, 1st Duke of Rothesay (1399–1401) (during the incapacity of his father, Robert III)
- Robert Stewart, 1st Duke of Albany (1401–1420) (during the incapacity of his brother Robert III, and then during the minority and captivity of his nephew James I)
- Murdoch Stewart, 2nd Duke of Albany (1420–1424) (during the captivity of his cousin James I)
- Archibald Douglas, 5th Earl of Douglas (1437–1439) (during the minority of James II)
- William Crichton, 1st Lord Crichton and Sir Alexander Livingston (1439–1445) (during the minority of James II)
- William Douglas, 8th Earl of Douglas (1445–1449) (during the minority of James II)
- Mary of Gueldres (1460–1463) (during the minority of her son, James III)
- James Kennedy and Gilbert Kennedy, 1st Lord Kennedy (1463–1466) (during the minority of James III)
- Robert Boyd, 1st Lord Boyd (1466–1469) (during the minority of James III)
- Patrick Hepburn (1488–1494) (during the minority of James IV)
- Margaret Tudor (1513–1514) (during the minority of her son, James V)
- Robert Maxwell, 5th Lord Maxwell (1513-?) (Regent Isle of Arran during the minority of James V. Also in 1536 he was created one of the members of the council of Regency during the absence of the king in France)
- John Stewart, 2nd Duke of Albany (1514–1524) (during the minority of his cousin, James V)
- Archibald Douglas, 6th Earl of Angus and Archbishop James Beaton (1524–1528) (during the minority of the former's stepson James V)
- James Hamilton, 2nd Earl of Arran (1542–1554) (during the minority of his cousin, Mary, Queen of Scots)
- Mary of Guise (1554–1560) (during the minority of her daughter Mary, Queen of Scots)
- James Stuart, 1st Earl of Moray (1567–1570) (during the minority of his nephew James VI)
- Matthew Stewart, 4th Earl of Lennox (1570–1571) (during the minority of his grandson James VI)
- John Erskine, 1st Earl of Mar (1571–1572) (during the minority of James VI)
- James Douglas, 4th Earl of Morton (1572–1581) (during the minority of James VI)
Regents in various former Monarchies 
The same notes apply; inclusion in this list reflects the political reality, regardless of claims to the throne.
Afghan monarchies 
Before the 1881 unification, there were essentially four rulers' capitals: Kabul, Herat, Qandahar and Peshawar (the last now in Pakistan); all their rulers belonged to the Abdali tribal group, whose name was changed to Dorrani with Ahmad Shah Abdali. They belong either to the Saddozay segment of the Popalzay clan (typically styled padshah, king) or to the Mohammadzay segment of the Barakzay clan (typically with the style Amir, in full Amir al-Mo´menin "Leader of the Faithful"). The Mohammadzay also furnished the Saddozay kings frequently with top counselors, who served occasionally as (Minister-)regents, identified with the epithet Mohammadzay.
- John, Prince Regent, was responsible for elevating Brazil to the status of Kingdom in 1815. One year later, he was acclaimed King of Portugal, Brazil and Algarves.
- Pedro I, Prince Regent, was responsible for declaring the independence of Brazil, in 1822, during his regency (1820–1822), after his father, John VI, returned to Portugal. Some months later, he would be acclaimed Emperor of Brazil.
- Maria Leopoldina, Empress consort of Brazil, acted as Empress Regent while her husband, Pedro I, was away – specially during the war against Uruguay.
- Provisional triumviral regency – from 7 April to 18 June 1831, comprised José Joaquim Carneiro de Campos, marquess de Caravelas, Nicolau Pereira de Campos Vergueiro and Francisco de Lima e Silva, baron of Barra Grande, was formed to control the country after the abdication of Peter I.
- Permanent triumviral regency – from 18 June 1831 to 12 October 1835, comprised the baron of Barra Grande as well as José da Costa Carvalho, Marquis of Monte Alegre, and João Bráulio Muniz.
- Diogo Antônio Feijó – from 12 October 1835 to 19 September 1837, during what was considered the advance of the Liberal Party
- Pedro de Araújo Lima, Marquis of Olinda – from 1837 (provisional to 1838) to 1840, during what was considered the retaken of the Conservative Party.
- Isabel, Princess Imperial of Brazil, was Princess Regent of the Empire of Brazil three times (1871–1872; 1876–1877; 1887–1888) while her father travelled abroad. During her last regency, she signed the abolition of slavery in Brazil (known as the "Lei Áurea", or "Golden Law"), on 13 May 1888, whereby Isabel got the sobriquet Isabel the Redeemer. For the act of signing the Golden Law, she was awarded the Golden Rose by Pope Leo XIII.
- Stefan Stambolov, during the absence of Prince Alexander Battenberg from the Bulgarian throne between 28 August 1886 and 3 September 1886 and the vacancy of the throne between 7 September 1886 and 14 August 1887.
- Prince Kyril of Preslav, during the minority of his late brother (Boris III)'s son, Simeon II (1943–1944).
- Duke of Zhou,during the minority of his nephew Song Ji, the King Cheng of Zhou until he was old enough to rule.
- See Empress dowager and Grand Empress Dowager
- Dorgon, the Prince Rui, from 1643 to 1650 during the minority of his nephew Fulin, the Shunzhi Emperor
- Sonin, Suksaha, Ebilun and Oboi during the minority of the Kangxi Emperor from 1662 to their downfall in 1669.
- Empress Dowager Cixi during the minority of the Tongzhi Emperor and de facto ruler for almost the entire reign of the Guangxu Emperor
- Zaifeng, Prince Chun, between 1908 and 1911 for his son Puyi
- Jiang Wan Regent preceded by Zhuge Liang, who was Prime Minister of Shu-Han, who when he died, the Prime Minister became Jiang Wei
- Merneith for Den of Egypt
- Hatshepsut of Egypt for Thutmose III of Egypt
- Mohammed Ali Tewfik for King Farouk I of Egypt
- Prince Muhammad Abdul Moneim for King Fuad II of Egypt
- Menen Liben Amede from 1831 during the minority of her son Ali II of Yejju
- Ras Tessema Nadew in 1913 during the minority of Iyasu who would have been crowned as Iyasu V
- Tafari Makonnen from 1916 to 1931 during the reign of a female, Empress Zewditu (Queen of Kings, Negus Negest). Upon her death, the regent himself ascended the throne and was crowned as Emperor Haile Selassie I (King, Negus)
After the abdication of Nicholas II of Russia, the throne of the Grand Duke of Finland was vacant and according to the constitution of 1772, a regent was installed by the Finnish Parliament during the first two years of Finnish independence, before the country was declared a republic.
- Pehr Evind Svinhufvud, installed in January 1918, resigned in late 1918.
- General C.G.E. Mannerheim, resigned 1919 with the passing of the new constitution.
- Anne of Kiev and Baldwin V, Count of Flanders (1060–1067), during the minority of her son and his nephew Philip I
- Suger, Abbot of St. Denis (1147–1149), during the absence of Louis VII on the Second Crusade
- Adèle of Champagne and Guillaume de Champagne, Archbishop of Reims (1190–1191), during the absence of her son Philip II on the Third Crusade.
- Blanche of Castile (1226–1234), during the minority of her son Louis IX
- Blanche of Castile (1248–1252) and Alphonse, Count of Poitou and Toulouse (1248–1254), during the absence of her son and his brother Louis IX on the Seventh Crusade.
- Mathieu de Vendôme, Abbot of Saint-Denis and Simon de Clermont, Sieur de Nesle, during the absence of Louis IX on the Eighth Crusade (1270).
- Philip the Tall (1316), during the interregnum between the death of his brother Louis X and the birth of Louis' posthumous son John I, and during the minority of the short-lived John I.
- Philip, Count of Valois and Anjou (1328), from the death of his cousin Charles IV until the birth of a posthumous daughter to the late king brought about Valois' own accession to the throne.
- Charles, the Dauphin (1356–1360), during the captivity of his father in England
- Louis I, Duke of Anjou (1380–1382), during the minority of his nephew Charles VI
- Jean, Duke of Berry, Philippe II, Duke of Burgundy, and Louis II, Duke of Bourbon (1382–1388), during the minority of their nephew, Charles VI
- Louis II, Duke of Bourbon and John, Duke of Berry (1388–1407), during the insanity of their nephew, Charles VI
- Isabella of Bavaria (1417–1420) and then Henry V of England, during the insanity of her husband and his father-in-law, Charles VI; they were opposed by
- Charles, the Dauphin (1417–1422), Charles VI's eldest surviving son, who also claimed the regency.
- John, Duke of Bedford (1422–1435), acting as regent on behalf of his nephew, the young Henry VI of England in opposition to the king Charles VII
- Anne of France and her husband Pierre de Beaujeu (1483–1492), during the minority of her brother, Charles VIII
- Louise of Savoy (1515–1516), during the absence of her son, Francis I, in Italy.
- Louise of Savoy (1523–1526), during the absence at war in Italy, and then the captivity, of her son, Francis I
- Catherine de' Medici:
- Marie de' Medici (1610–1614), during the minority of her son, Louis XIII
- Anne of Austria (1643–1651), during the minority of Louis XIV
- Philippe II, Duke of Orléans (1715–1723), during the minority of Louis XV; often called "the Regent", since he was the last regent of France. **The related era and style are commonly referred to as the Régence (analogous to the British Regency period).
- A 136 carat (27.2 g) diamond he acquired in 1717 is known as 'le régent'
- Louis-Stanislas-Xavier, comte de Provence, while living in exile, self-declared Regent for his nephew Louis XVII of France after the 1793 guillotining of King Louis XVI, until the young pretender's death in 1795.
- Charles-Philippe de France, comte d'Artois, appointed Lieutenant General of the Kingdom by a temporary government from 14 April 1814 until Louis XVIII arrived from England.
- Empress Eugenie, three times for her husband, Napoleon III of France, during his absence.
- Archbishop Damaskinos Papandreou (1944–1946): on behalf of king George II of Greece until his return.
- General Georgios Zoitakis (1967–1972): appointed by the military junta of the time when the last reigning king, Constantine II of Greece, fled to exile after a failed royal countercoup.
- Military dictator Georgios Papadopoulos (1972–1973): then Prime Minister, assumed the additional role of regent until the monarchy was abolished by referendum.
German monarchies 
- Prince Luitpold (1886–1912), during the incapacity of his nephews, Ludwig II and Otto
- Prince Ludwig (1912–1913), during the incapacity of his cousin, Otto
- George, Prince of Wales, later King George IV of the United Kingdom (1815–1823), during the minority of his cousin, Duke Charles II
- Prince Albrecht of Prussia (1885–1906), during the interregnum following the death of Duke Wilhelm in 1884, when the throne could not be filled due to the status of the heir, the Duke of Cumberland, as an enemy of the Reich.
- Duke Johann Albrecht of Mecklenburg-Schwerin (1907–1913), for the same reason
- Electoral Prince Frederick William (1831–1847), due to the incapacity of his father, Elector William II
- Prince Adolf of Schaumburg-Lippe (1895–1897), due to the incapacity of his cousin, Prince Alexander
- Count Ernst of Lippe-Biesterfeld (1897–1904), for the same reason
- Count Leopold of Lippe-Biesterfeld (1904–1905), for the same reason
- Duke Johann Albrecht of Mecklenburg-Schwerin (1897–1901), due to the minority of his nephew, Grand Duke Friedrich Franz IV
- Friedrich Franz IV, Grand Duke of Mecklenburg-Schwerin (1918), due to the near extinction of the Mecklenburg-Strelitz line.
Saxe-Coburg and Gotha 
- Prince Ernst of Hohenlohe-Langenburg (1900–1905), during the minority of his cousin Duke Charles Edward
- Emma of Anhalt-Bernburg-Schaumburg-Hoym (1845–1852), during the minority of her son, Prince George Victor
- Queen Kaʻahumanu, between 1824–1832 during the rule of the infant Kamehameha III; she was also Kuhina Nui (co-ruler), regent, of Kamehameha II
- Elizabeth Kīnaʻu, between 5 June 1832–17 March 1833 after Kaʻahumanu's death and before Kamehameha III became 20 years old
- Helena and Beloš Vukanović, in 1141–1146 during the rule of infant Géza II. Helena was the mother and Beloš her brother.
- Andrew of Hungary, between 1201–1205 during the rule of the infant Ladislaus III
- Elizabeth of Bosnia, unpopular regent for her daughter Mary
- John Hunyadi, during Ladislaus V's minority
- Michael Szilágyi in 1458, between Ladislaus V's death and the crowning of Matthias I
- Lajos Kossuth, under the Hungarian Revolution of 1848
- Admiral Miklós Horthy during the period of Kingdom of Hungary (1920–1944)
- Sveinn Björnsson (1941–1944)
Vakataka Kingdom 
- Prabhavati (ca. 390–410)
Both before and during the British raj (colonial rule), most of India was ruled by several hundred native princely houses, many of which have known regencies, under the raj subject to British approval
- Maharani Gowri Lakshmi Bayi of Travancore (1811–1815)
- Maharani Gowri Parvati Bayi (1815–1849)
- Maharani Sethu Lakshmi Bayi (1924–1931)
In the short-lived Hashemite kingdom, there were three regencies in the reign of the third and last king Faysal II (b. 1935 – d. 1958; also Head of the 'Arab Union', a federation with the Hashemite sister-kingdom Jordan, from 14 February 1958) :
- 4 April 1939 – 1 April 1941 Abdul Ilah (1st time) (b. 1913 – d. 1958)
- 1 April 1941 – 1 June 1941 Sharaf ibn Rajih al-Fawwaz (b. 1880 – d. 1955)
- 1 June 1941 – 2 May 1953 Abdul Ilah (2nd time)
Italian former principalities 
- Margherita de' Medici (1646–1648), during the minority of her son Ranuccio II
- Dorothea Sophie of Neuburg (1731) during the absence of her grandson Charles I
- Louise d'Artois (1854–1859), during the minority of her son Robert I.
- Christine Marie of France (1637–1663), during the minority of her son Charles Emmanuel II.
- Marie Jeanne of Savoy (1675–1680), during the minority of her son Victor Amadeus II.
- Tolui, the son of Genghis Khan of the Mongol Empire
- Töregene, the Great Khatun of the Mongol Empire
- Oghul Qaimish, the wife of Güyük Khan
- Countess Theresa, during the minority of her son Afonso I (1112–1139). Styled herself Queen of Portugal.
- Afonso, Count of Boulogne, after Pope Innocent IV had deposed his brother Sancho II, and before assuming himself the throne, following Sancho's death (1245–1248). Styled himself Regent and Defender of the Kingdom.
- Queen Leonor, for her daughter Beatrice I.
- João, Mestre de Avis, during the Dynastic Crisis, and before assuming himself the throne (1384–1385). Styled himself Regent and Defender of the Kingdom.
- Queen Eleanor, during the minority of her son Afonso V (1438–1439).
- Peter, Duke of Coimbra, during the minority of his nephew Afonso V (1439–1448).
- Queen Catharine, during the minority of her grandson Sebastian I (1557–1562).
- Cardinal Prince Henry, during the minority of his grandnephew Sebastian I (1562–1568).
- Queen Luísa, for her son Afonso VI (1656–1662).
- Prince Peter, for his brother Afonso VI, and before assuming himself the throne, following Afonso's death (1668–1683).
- John, Prince Regent, during the incapacity of his mother Mary I, and before assuming himself the throne, following her death (1792–1816).
- Princess Isabel Maria, following her father's (John VI) death, and whilst awaiting the arrival of her brother Peter IV to assume the throne (1826–1828).
- Prince Michael, for his niece Mary II, and before usurping the throne for himself (1828).
- Peter, Duke of Bragança (former King Peter IV), for his daughter Mary II (1831–1834).
- King Ferdinand II, during the minority of his son Peter V (1853–1855).
- Lascăr Catargiu, Gen. Nicolae Golescu, Col. Nicolae Haralambie (1866), between the overthrow of Alexandru Ioan Cuza and the coronation of Carol I as Prince.
- Prince Nicholas, Miron Cristea, Gheorghe Buzdugan (replaced upon his death by Constantin Sărăţeanu) (1927–1930), during the minority of king Michael I
- Elena Glinskaya for her son Ivan the Terrible (1533-1538)
- Natalia Naryshkina for her son Peter the Great (1682)
- Sophia Alekseyevna for her brothers Ivan V and Peter the Great (1682–89)
- Ernst Johann von Biron for the infant Ivan VI (1740)
- Anna Leopoldovna for her son Ivan VI (1740–41)
- Milivoje Petrović Blaznavac, Jovan Ristić, Jovan Gavrilović (1868–1872), during the minority of Prince Milan
- Jovan Ristić, Jovan Belimarković, Kosta Protić (until his death in 1892) (1889–1893), during the minority of King Aleksandar