List of state leaders in 43
AD 42 state leaders – Events of AD 43 – AD 44 state leaders – State leaders by year
Africa
Asia
Europe
- Bosporan Kingdom – Tiberius Julius Mithridates, Roman client King of Bosporus (38–46)
- Brigantes – Cartimandua, Queen of the Brigantes (43–69)
- Catuvellauni
- Caucasian Iberia – Mithridates, King of Caucasian Iberia (30–50)
- Ireland – Fíachu Finnolach, High King of Ireland (39–56)
- Odrysian kingdom
- Regnenses – Tiberius Claudius Cogidubnus, King of the Regnenses (43–?)
- Roman Empire (Principate – Julio-Claudian dynasty)
- Claudius, Roman Emperor (41–54)
- Claudius, Consul (43)
- Lucius Vitellius, Consul (43)
- Sextus Palpellius Hister, Consul suffectus (43)
- Lucius Pedanius Secundus, Consul suffectus (43)
- Aulus Gabinius Secundus, Consul suffectus (43)
- Quintus Curtius Rufus, Consul suffectus (43)
- Spurius Oppius, Consul suffectus (43)
- Rufrius Pollio, Praetorian prefect (41–43)
- Catonius Justus, Praetorian prefect (41–43)
- Rufrius Crispinus, Praetorian prefect (43–50)
- Roman Britain (Britannia Province) – Aulus Plautius, Roman governor (43–47)
- Ægyptus Province – Marcus Aevius, Roman Prefect (42–45)
- Judea (Iudaea Province)
- Syria Province – Gnaeus Vibius Marcus, Roman governor (41–45)
Middle East