List of state leaders in 124

AD 123 state leaders – Events of AD 124 – AD 125 state leaders – State leaders by year

Africa

• Kush – Tamelerdeamani, King of Kush (114–134)

Asia

• China – Ān, Emperor of China (106–125)
• Korea (Three Kingdoms Period)
  • Baekje – Giru, King of Baekje (77–128)
  • Goguryeo – Taejo, King of Goguryeo (53–146)
  • Silla – Jima, King of Silla (112–134)

Europe

• Bosporan Kingdom – Tiberius Julius Cotys II, Roman client King of Bosporus (123–132)
• Caucasian Iberia – Pharasmanes II, King of Caucasian Iberia (116–142)
• Ireland – Conn of the Hundred Battles, High King of Ireland (122–157)
• Roman Empire (Principate – Nervan-Antonian dynasty)
  • Hadrian, Roman Emperor (117–138)
  • Manius Acilius Glabrio, Consul (124)
  • Gaius Bellicius Flaccus Torquatus Tebanianus, Consul (124)
  • Aulus Larcius Macedo, Consul suffectus (124)
  • Publis Ducenius Verres, Consul suffectus (124)
  • Gaius Iulius Gallus, Consul suffectus (124)
  • Gaius Valerius Severus, Consul suffectus (124)
  • Marcius Turbo, Praetorian prefect (119–?)
  • Roman Britain (Britannia Province) – Aulus Platorius Nepos, Roman governor (122–125)
  • Ægyptus Province – Titus Haterius Nepos, Roman Prefect (120–124)
  • Judea (Iudaea Province) – Interregnum in Nasi of the Sanhedrin (120–142)

Middle East

• Osroene – Ma'nu VII, King of Osroene (123–139)
• Parthian Empire
  • Vologases III, Great King (Shah) of Parthia (105–147)
  • Osroes I, Great King (Shah) of Parthia (109–129)