List of state leaders in 148
AD 147 state leaders – Events of AD 148 – AD 149 state leaders – State leaders by year
Africa
Asia
Europe
- Armenia – Sohaemus, King of Armenia (140–161, 163–?)
- Athens
- Bosporan Kingdom – Tiberius Julius Rhoemetalces, Roman client King of Bosporus (132–153)
- Caucasian Iberia – Pharsman III, King of Caucasian Iberia (145–185)
- Ireland – Conn of the Hundred Battles, High King of Ireland (122–157)
- Roman Empire (Principate – Nervan-Antonian dynasty)
- Antoninus Pius, Roman Emperor (138–161)
- Lucius Octavius Cornelius Publis Salvius Iulianus Aemilianus, Consul (148)
- Gaius Bellicius Calpurnius Torquatus, Consul (148)
- Saturius Firmus, Consul suffectus (148)
- Gaius Salvius Capito, Consul suffectus (148)
- Lucius Coelius Festus, Consul suffectus (148)
- Publis Orfidius Senecio, Consul suffectus (148)
- Gaius Fabius Agrippinus, Consul suffectus (148)
- Marcus Antonius Zeno, Consul suffectus (148)
- Marcus Gavius Maximus, Praetorian prefect (136–156)
- Ægyptus Province – Marcus Petronius Honoratus, Roman Prefect (147–148)
- Syria Palaestina Province – Shimon ben Gamliel II, Nasi of the Sanhedrin (142–165)
- Ulaid – Tipraiti Tireach, King of the Ulaid (136–187)
Middle East