List of state leaders in 431

430 state leaders – Events of 431 – 432 state leaders – State leaders by year

Africa

• Kingdom of the Vandals and Alans - Geiseric, King of the Vandals and Alans (428–477)

America

• Copán - K'inich Yax K'uk' Mo', King of Copán (c.426–437)
• Palenque - K'uk' B'alam I, Ajaw of Palenque (431–435)
• Teotihuacán - Spearthrower Owl/Atlatl Cauac, Emperor of Teotihuacán (374–439)
• Tikal - Siyah Chan K'awil II, King of Tikal (411–456)

Asia

• China (Sixteen Kingdoms/Southern and Northern Dynasties Periods) -
  • Liu Song Dynasty - Emperor Wen, Emperor of Liu Song (424–453)
  • Northern Liang Dynasty - Emperor Juqu Mengxun, Emperor of Northern Liang (401–433)
  • Northern Wei Dynasty - Emperor Tai Wu Di, Emperor of Northern Wei (424–452)
  • Northern Yan Dynasty - Emperor Féng Hóng, Emperor of Northern Yan (430–436)
  • Western Qin Dynasty - Emperor Qǐfú Mùmò, Emperor of Western Qin (428–431)
  • Xia Dynasty - Emperor Hèlián Dìng, Emperor of Xia (428–431)
• Gupta Empire - Kumara Gupta I, Gupta Emperor (415–455)
• Japan (Kofun Era) - Emperor Ingyō, Emperor of Japan (c. 411-c. 453)
• Korea (Three Kingdoms) -
  • Baekje - Biyu, King of Baekje (427–454)
  • Goguryeo - Jangsu, King of Goguryeo (413–490)
  • Silla - Nulji, King of Silla (417–458)
• Pallava - Skanda Varman III, King of Pallava (400–438)

Europe

• Kingdom of Burgundy - Gundicar (413–436)
• Eastern Roman (Byzantine) Empire - Theodosius II (408–450)
• Suebic Kingdom of Galicia - Hermeric (409–438)
• Ireland - Lóegaire mac Néill, High King of Ireland (c. 428-c. 458)
• Salian Franks - Clodio, King of Salian Franks (426–447)
• Visigothic Kingdom - Theodoric I (419–451)
• Western Roman Empire - Valentinian III (425–455)

Middle East

• Sassanid Empire - Bahram V, Sassanid King (420–438)