List of state leaders in 37
AD 36 state leaders – Events of AD 37 – AD 38 state leaders – State leaders by year
Africa
Asia
Europe
- Athens
- Atrebates – Verica, King of the Atrebates (15–40)
- Bosporan Kingdom – Tiberius Julius Aspurgus, Roman client King of Bosporus (8 BC–38 AD)
- Cantiaci – Adminius, King of the Cantiaci (30–40)
- Catuvellauni – Cunobelinus, King of the Britons and King of the Catuvellauni (9–40)
- Caucasian Iberia – Mithridates, King of Caucasian Iberia (30–50)
- Ireland – Fíatach Finn, High King of Ireland (36–39)
- Odrysian kingdom
- Roman Empire (Principate – Julio-Claudian dynasty)
- Tiberius, Roman Emperor (14–37)
- Caligula, Roman Emperor (37–41)
- Gnaeus Acerronius Proculus, Consul (37)
- Gaius Petronius Pontius Nigrinus, Consul (37)
- Caligula, Consul suffectus (37)
- Claudius, Consul suffectus (37)
- Aulus Caecina Paetus, Consul suffectus (37)
- Gaius Caninius Rebilus, Consul suffectus (37)
- Naevius Sutorius Macro, Praetorian prefect (31–38)
- Ægyptus Province – Aulus Avilius Flaccus, Roman Prefect (32–38)
- Judea (Iudaea Province)
- Syria Province – Lucius Vitellius, Roman Prefect (35–39)
- Ulaid – Fíatach Finn, King of the Ulaid (?–39)
Middle East