Afonso II (Portuguese pronunciation: [?'fõsu]; English: Alphonzo), or Affonso (Archaic Portuguese), Alfonso or Alphonso (Portuguese-Galician) or Alphonsus (Latin version), nicknamed the Fat (Portuguese o Gordo), King of Portugal, was born in Coimbra on 23 April 1185 and died on 25 March 1223 in the same city.
He was the second but eldest surviving son of Sancho I of Portugal by his wife, Dulce, Infanta of Aragon.