List of state leaders in 173

This is a list of heads of state, government leaders, and other rulers in the year 173.

Africa

• Kush – Amanikhalika, King of Kush (170–175)

Asia

• China – Ling, Emperor of China (168–189)
• Korea (Three Kingdoms Period)
  • Baekje – Chogo, King of Baekje (166–214)
  • Goguryeo – Sindae, King of Goguryeo (165–179)
  • Silla – Adalla, King of Silla (154–184)

Europe

• Armenia
  • Sohaemus, King of Armenia (163–186)
• Athens
  • Biesius Peison Meliteus, Archon of Athens (172–173)
  • Sallustianus Aeolion Phlyeus, Archon of Athens (173–174)
• Bosporan Kingdom – Tiberius Julius Eupator, Roman client King of Bosporus (153–174)
• Caucasian Iberia – Pharsman III, King of Caucasian Iberia (145–185)
• Ireland – Art mac Cuinn, High King of Ireland (165–195)
• Marcomanni – Ballomar, King of the Marcomanni (166–178)
• Roman Empire (Principate – Nervan-Antonian dynasty)
  • Marcus Aurelius, Roman Emperor (161–180)
  • Gnaeus Claudius Severus, Consul (173)
  • Claudius Pompeianus, Consul (173)
  • Marcus Bassaeus Rufus, Praetorian prefect (168–177)
  • Ægyptus Province – Gaius Calvisius Statianus, Roman Prefect (170–174)
  • Syria Palaestina Province – Judah haNasi, Nasi of the Sanhedrin (165–220)
• Ulaid – Tipraiti Tireach, King of the Ulaid (136–187)

Middle East

• Adiabene – Narsai, Parthian client King of Adiabene (170–200)
• Characene – Abinergaios II, King of Characene (165–180)
• Osroene – Abgar VIII, King of Osroene (167–177)
• Parthian Empire – Vologases IV, Great King (Shah) of Parthia (147–191)