List of state leaders in 100 BC

101 BC state leaders — Events of 100 BC — 99 BC state leaders — State leaders by year

Africa

Bust of Ptolemy X Alexander I featuring a stylized uraeus just above his forehead, on display at the Louvre

• Cyrene (Ptolemaic Dynasty) — Ptolemy Apion, King of Cyrene (100 BC–96 BC)
• Egypt (Ptolemaic Dynasty) — Ptolemy X Alexander, Pharaoh of Egypt (107 BC–88 BC)
• Kush — Tanyidamani, King of Kush (110 BC–90 BC)
• Mauretania — Bocchus I, King of Mauretania (111 BC–80 BC)
• Numidia — Gauda, King of Numidia (106 BC–88 BC)

Asia

Copper coins depicting Demetrius Aniketos.

• China (Western Han Dynasty) — Han Wudi, Emperor of China (140 BC–87 BC)
• Indo-Greek Kingdom (House of Eucratides)
  • Demetrios III Aniketos, Indo-Greek King (c.100 BC)
  • Strato II Philopator, Indo-Greek King (c.100 BC)
• Japan (legendary) - Kaika, Emperor of Japan (157 BC–98 BC)
• Korea
  • Bukbuyeo — Godumak, King of Bukbuyeo (108 BC– 60 BC)
  • Buyeo — Gouru, King of Buyeo (121 BC– 86 BC)

Europe

Marble bust of Gaius Marius

• Athens — Theodosius, Archon of Athens (100 BC–99 BC)
• Ireland — Fachtna Fáthach, High King of Ireland (110 BC–94 BC)
• Roman Republic
  • Gaius Marius, Consul (104 BC–100 BC)
  • Lucius Valerius Flaccus, Consul (100 BC–99 BC)

Middle East

• Armenia — Artavazde II, King of Armenia (123 BC–95 BC)
• Bithynia — Nicomedes II Epiphanes, King of Bithynia (149 BC–91 BC)
• Cappadocia — Ariarathes VIII, King of Cappadocia (101 BC–96 BC)
• Judea — Alexander Jannaeus, King of Judea (103 BC–76 BC)
• Kommagene — Mithridates I Callinicos, King of Kommagene (109 BC–86 BC)
• Nabatea — Erotimus, King of Nabatea (110 BC–100 BC)
• Osroene — Bakru II bar Bakru, King of Osroene (112 BC–94 BC)
• Parthian Empire — Mithridates the Great, Great King of Persia (124 BC–87 BC)
• Pontus — Mithridates VI Eupator Dionysius, King of Pontus (121 BC–63 BC)
• Seleucid Empire
  • Antiochus VIII Grypus, Great King of Persia (125 BC–96 BC)
  • Antiochus IX Eusebes Cyzicenus, Great King of Persia (114 BC–96 BC)