|Centuries:||16th century – 17th century – 18th century|
|Decades:||1580s 1590s 1600s – 1610s – 1620s 1630s 1640s|
|Years:||1612 1613 1614 – 1615 – 1616 1617 1618|
|1615 by topic:|
|Arts and Science|
|Architecture - Art - Literature - Music - Science|
|Lists of leaders|
|Colonial governors - State leaders|
|Birth and death categories|
|Births - Deaths|
|Establishments and disestablishments categories|
|Establishments - Disestablishments|
|Ab urbe condita||2368|
|English Regnal year||12 Ja. 1 – 13 Ja. 1|
|Chinese calendar||甲寅年 (Wood Tiger)
4311 or 4251
— to —
乙卯年 (Wood Rabbit)
4312 or 4252
|- Vikram Samvat||1671–1672|
|- Shaka Samvat||1537–1538|
|- Kali Yuga||4716–4717|
|Japanese calendar||Keichō 20 / Genna 1
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||297 before ROC
|Thai solar calendar||2157–2158|
|Wikimedia Commons has media related to 1615.|
1615 (MDCXV) was a common year starting on Thursday (dominical letter D) of the Gregorian calendar and a common year starting on Sunday (dominical letter A) of the Julian calendar, the 1615th year of the Common Era (CE) and Anno Domini (AD) designations, the 615th year of the 2nd millennium, the 15th year of the 17th century, and the 6th year of the 1610s decade. As of the start of 1615, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1918.
- January 1 – The New Netherland Company is granted a 3-year monopoly in North American trade between the 40th and 45th parallels.
- Early February – Sir Thomas Roe sets out to become the first ambassador from the court of the King of England to the Mughal Emperor Jahangir, sailing in the Lyon under the command of captain Christopher Newport.
- March 10 – John Ogilvie, a Catholic priest, is hanged in Glasgow, Scotland.
- April 21 – The Wignacourt Aqueduct is inaugurated in Malta.
- May 6 – The Peace of Tyrnau is signed between Matthias, Holy Roman Emperor, and Gábor Bethlen.
- June 2 – The first Récollet missionaries arrive at Quebec City, from Rouen, France.
- June 4 – Forces under the shogun Tokugawa Ieyasu take Osaka Castle in Japan, beginning a period of peace which lasts nearly 250 years. Bands of Christian samurai support Ieyasu's enemies at the Battle of Osaka.
- June 21 – The Peace of Asti is concluded between the between the Spanish Empire and Savoy. 
- October – Spánverjavígin: 31 Spanish Basque whalers are killed after conflict with people of Iceland in the Westfjords peninsula.
- December 6 – In England, John Winthrop, later governor of the future Massachusetts Bay Colony, marries his second wife (of four), Thomasine Clopton, daughter of William Clopton of Castleins, near Groton, Suffolk.
- Persian hordes led by Shah-Abbas kill all the monks at the David Gareja monastery complex in Georgia, and set fire to its collection of manuscripts and works of art.
- Mary Talbot, Countess of Shrewsbury, is released from the Tower of London in recognition of her role in helping to discover the murder of Sir Thomas Overbury.
- The Somers Isles Company is founded to administer Bermuda.
- John Browne is created first King's Gunfounder.
- Austrian merchants receive economic privileges in the Ottoman Empire.
- The Perse School in Cambridge, England, is founded by Dr Stephen Perse.
- Wilson's School in Wallington, England, is founded by Royal Charter.
- The Grolsch Brewery is founded in Groenlo, Netherlands.
- Konoike Shinroku opens an office in Osaka and begins shipping tax-rice from western Japan to Osaka.
- Johannes Kepler publishes Dissertatio cum Nuncio Sidereo in response to Galileo's discovery of Jupiter's moons.
- Manuel Dias (Yang MaNuo), a Portuguese Jesuit missionary introduces for the first time in China the telescope in his book Tian Wen Lüe (Explicatio Sphaerae Coelestis).
- The second volume of Miguel Cervantes' Don Quixote ("El ingenioso hidalgo Don Quijote de la Mancha") is published, and is as successful as the first. Don Quixote eventually becomes the only truly famous work its author ever wrote.
- January 6 – Richard Waldron, Colonial settler, acting President of the Province of New Hampshire (d. 1689)
- January 10 – Sir John Robinson, 1st Baronet, of London, English politician (d. 1680)
- January 13 – Henrik Bjelke, Norwegian military officer (d. 1683)
- January 14 – John Biddle, English theologian (d. 1662)
- January 20 – Karmabai, Jat known as Bhakt Shiromani Karmabai (d. 1634)
- January 25 – Govert Flinck, Dutch painter of the Dutch Golden Age (d. 1660)
- January 27 – Nicolas Fouquet, Superintendent of Finances in France (d. 1680)
- January 30 – Thomas Rolfe, only child of Pocahontas and her English husband (d. 1675)
- February 18 – Maria Caterina Farnese, Duchess of Modena and Reggio (d. 1646)
- February 27 – Isaac Thornton, English politician (d. 1669)
- March 10 – Hans Ulrik Gyldenløve, illegitimate son of King Christian IV of Denmark and his mistress (d. 1645)
- March 11 – Johann Weikhard of Auersperg, Austrian prime minister (d. 1677)
- March 13 – Pope Innocent XII (d. 1700)
- March 17 – Gregorio Carafa, Grandmaster of the Order of Saint John (d. 1690)
- March 20 – Dara Shikoh, Indian prince (d. 1659)
- March 22 – Katherine Jones, Viscountess Ranelagh, female scientist in seventeenth century Britain (d. 1691)
- March 28 – Pieter de Groot, Dutch diplomat (d. 1678)
- April 7 – Charles Cotterell, English courtier (d. 1701)
- April 9 – John Wright, British politician (d. 1683)
- April 16 – Edward Rawson, American settler (d. 1693)
- April 17 – Jacques Goulet, early pioneer in New France (now Québec) (d. 1688)
- April 24 – Klas Hansson Bjelkenstjerna, Swedish naval officer and civil servant (d. 1662)
- May 30 – Richard Neville, English soldier and MP (d. 1676)
- June 3 – Giles Strangways, English politician (d. 1675)
- June 15 – Samuel Sandys, English politician (d. 1685)
- June 16 – Francisco Cuervo y Valdés, Spanish colonial governor (d. 1714)
- June 20 (or July 31) – Salvator Rosa, Italian painter (d. 1673)
- July 1 – Samuel Hales, Connecticut settler and politician (d. 1693)
- July 9 – Sir Thomas Sclater, 1st Baronet, English politician (d. 1684)
- July 22 – Marguerite of Lorraine, princess of Lorraine, duchess of Orléans (d. 1672)
- July 28 – Charles de Noyelle, Jesuit Superior General (d. 1686)
- August 13 – John Sherburne, American colonial (d. 1693)
- August 15 – Marie de Lorraine, Duchess of Guise (d. 1688)
- August 18 – John Sadler, British town clerk (d. 1674)
- September 3 – Mary Bradbury, Salem Witch (d. 1700)
- September 7 – John Birch, English politician (d. 1691)
- September 12
- September 17 – Nicholas Pedley, English politician (d. 1685)
- September 20 – Giambattista Spinola, Italo-Spanish Roman Catholic cardinal (d. 1704)
- September 26 – Heinrich Bach, German organist and composer (d. 1692)
- October 1 – Hugh Bethell, Member of Parliament and High Sheriff (d. 1679)
- October 8 – Erdmann August of Brandenburg-Bayreuth, Hereditary Margrave (d. 1651)
- October 23 – Ove Juul, Governor-General of Norway (d. 1686)
- October 27 – Christian I, Duke of Saxe-Merseburg, member of the House of Wettin (d. 1691)
- November 5 – Ibrahim of the Ottoman Empire, Ottoman Sultan (d. 1648)
- November 12 – Richard Baxter, English Puritan church leader (d. 1691)
- November 19 – Richard Norton of Southwick Park, English politician (d. 1691)
- November 20 – Francis Dane, American colonial priest (d. 1697)
- November 24 – Philip William, Elector Palatine (d. 1690)
- December 6 – Frederick Schomberg, 1st Duke of Schomberg (d. 1690)
- December 7 – Nicodemus Tessin the Elder (d. 1684)
- December 9 – Anne Carr, Countess of Bedford, English noble (d. 1684)
- December 19 – Frederick, Duke of Württemberg-Neuenstadt, German duke (d. 1682)
- December 21 – Benedict Arnold, Rhode Island colonial governor (d. 1678)
- December 29 – Charles Scarborough (d. 1694)
- January 15 – Virginia de' Medici (b. 1568)
- January 16 – Roger Fenton, English clergyman (b. 1565)
- January 31 – Claudio Acquaviva, Italian Jesuit priest elected in 1581 the 5th Superior General of the Society of Jesus (b. 1543)
- February 4
- March 4 – Hans von Aachen, German painter (b. 1552)
- March 6 – Pieter Both, first Governor-General of the Dutch East Indies (b. 1568)
- March 10 – John Ogilvie, Scottish Catholic Jesuit martyr (b. 1579)
- March 19 – Henry Pierrepont, English politician (b. 1546)
- March 27 – Marguerite de Valois, queen of Henry IV of France (b. 1553)
- April 1 – Miklós Istvánffy, Hungarian politician (b. 1538)
- April 12 – William Lower, British astronomer (b. 1570)
- May 4 – Adriaan van Roomen, Flemish mathematician (b. 1561)
- May 5 – Juan Fernandez Pacheco, 5th Duke of Escalona, Spanish noble and diplomat (b. 1563)
- May 7 – Sanada Yukimura, legendary Japanese samurai (b. 1567)
- May 9 – John Perrin, translator (b. 1558)
- May 15
- May 20 – Dirck van Os, Dutch merchant (b. 1556)
- June 2 – Kuwana Yoshinari, Samurai (b. 1551)
- June 3 – Hattori Masanari, Samurai (b. 1565)
- June 4 – Ujiie Yukihiro, Samurai and feudal lord in Sengoku period to the beginning of Edo period (b. 1546)
- June 23
- July 26 – Alonso Pérez de Guzmán, 7th Duke of Medina Sidonia (b. 1550)
- August 7 – Melchior Vulpius, German singer and composer (b. 1570)
- September 1 – Étienne Pasquier, French lawyer and man of letters (b. 1529)
- September 9 – Virginio Orsini, Duke of Bracciano (b. 1572)
- September 11 – Vitus Miletus, German theologian (b. 1549)
- September 25
- September 27 – Arbella Stuart, English noblewoman and woman of letters (b. 1575)
- October 9 – Hasan Kafi Pruščak, Bosnian scholar and judge (b. 1544)
- October 16
- October 18 – Cherubino Alberti, Italian engraver and painter (b. 1553)
- October 31 – Marcantonio Memmo, Doge of Venice (b. 1536)
- November 6 – Sir Richard Musgrave, 1st Baronet, English politician (b. 1585)
- November 14 – John Leveson, English politician (b. 1555)
- November 15 – Anne Turner, English murderer (b. 1576)
- November 20 – Gervase Helwys, English murderer (b. 1561)
- November 24 – Sethus Calvisius, German calendar reformer (b. 1556)
- November 28 – William Howard, 3rd Baron Howard of Effingham, English politician and Baron (b. 1577)
- November 29 – George Albert II, Margrave of Brandenburg (b. 1591)
- December 2 – Edward Wright, English mathematician and cartographer (b. 1561)
- December 7 – Gerard Reynst, Dutch merchant (b. c. 1558)
- December 26 – August of Saxony, German prince (b. 1589)
- Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 243–248. ISBN 0-304-35730-8.
- Strachan, Michael (2004). "Roe, Sir Thomas (1581–1644)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/23943. Retrieved 2012-10-09. (subscription or UK public library membership required)
- Randall Lesaffer, ed., Peace Treaties and International Law in European History: From the Late Middle Ages to World War One (Cambridge University Press, 2004) p39