List of state leaders in 103 BC

104 BC state leaders — Events of 103 BC — 102 BC state leaders — State leaders by year

Africa

• Egypt (Ptolemaic Dynasty) — Cleopatra III (116 BC–101 BC) ruled jointly with 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

• China (Western Han Dynasty) — Han Wudi, Emperor of China (140 BC–87 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

• Athens
  1. Diocles (?), Archon of Athens (104 BC - 103 BC)
  2. Theocles, Archon of Athens (103 BC–102 BC)
• Ireland — Fachtna Fáthach, High King of Ireland (110 BC–94 BC)
• Roman Republic — Gaius Marius, Consul (104 BC–100 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 VII Philometor, King of Cappadocia (116 BC–101 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)