Guðrøðarson or Gudrödarson may refer to:
Halfdan Gudrödarson or Halfdan the Black, (9th century?) king of Vestfold Haraldr Guðrøðarson, mid thirteenth-century King of the Isles Lǫgmaðr Guðrøðarson, late eleventh-century King of the Isles Ólafr Guðrøðarson (died 941), Irish-Viking leader who ruled Dublin and Viking Northumbria Óláfr Guðrøðarson (died 1153), twelfth-century King of Mann and the Isles Óláfr Guðrøðarson (died 1237) or Olaf the Black, King of the Isles, member of the Crovan dynasty Rǫgnvaldr Guðrøðarson (died 1229), ruled as King of the Isles from 1187 to 1226