• Born date: 1210-05-05
  • Born in: Kingdom of Portugal
  • Death date: 1279-02-16
  • Death in: Kingdom of Portugal
Afonso III of Portugal

Afonso III (Portuguese pronunciation: [ɐˈfõsu]; rare English alternatives: Alphonzo or Alphonse), or Affonso (Archaic Portuguese), Alfonso or Alphonso (Portuguese-Galician) or Alphonsus (Latin), the Bolognian (Port. o Bolonhês), King of Portugal (5 May 1210 in Coimbra – 16 February 1279 in Alcobaça, Coimbra or Lisbon) was the first to use the title King of Portugal and the Algarve, from 1249.