Afonso of Portugal is the name of:
Kings
Afonso I Henriques (1109–1185), King of Portugal from 1139 to 1185 Afonso II of Portugal (1185–1223), King of Portugal from 1212 to 1223 Afonso III of Portugal (1210–1279), King of Portugal from 1248 to 1279 Afonso IV of Portugal (1291–1357), King of Portugal from 1325 to 1357 Afonso V of Portugal (1432–1481), King of Portugal from 1438 to 1481 Afonso VI of Portugal (1643–1683), King of Portugal from 1656 to 1683
Princes and infantes
Afonso of Portugal, Lord of Portalegre (1263–1312), son of Afonso III of Portugal Afonso of Portugal, Lord of Leiria (c. 1288–c. 1300), Portuguese noble Afonso (1315–1315), son of Afonso IV Afonso (?–?; 14th century), son of Peter I of Portugal Afonso (1371 or 1382–1371 or 1382), son of Ferdinand I of Portugal Afonso, Duke of Braganza (1377–1461), natural son of John I of Portugal Afonso (1390–1390), son of John I of Portugal Afonso, Prince of Portugal (1475–1491), son of John II of Portugal Infante Cardinal Afonso of Portugal (1509–1540), son of Manuel I of Portugal Afonso, Prince of Portugal (1526) (1526–1526), son of John III of Portugal Infante Afonso, Duke of Porto (1865–1920), son of Luís I of Portugal
Others
Afonso of Portugal (bishop) (1440–1522), 43rd Bishop of Évora