Adolfsson is a surname or an Icelandic patronymic. Notable people with the surname include:
Håkan Adolfsson (born 1971), Swedish bandy player Mattias Adolfsson (born 1965), Swedish graphic artist and illustrator Ólafur Adolfsson, Icelandic politician Steinar Dagur Adolfsson (born 1970), Icelandic footballer Sune Adolfsson (born 1950), Swedish biathlete