Gunnarsson is a surname of Icelandic or Swedish origin, meaning son of Gunnar. In Icelandic names, the name is not strictly a surname, but a patronymic. The name refers to:
Ágúst Ævar Gunnarsson (contemporary), Icelandic post-rock musicianAron Gunnarsson (born 1989), Icelandic professional football player playing in EnglandBrynjar Gunnarsson (born 1975), Icelandic professional football playerCarl Gunnarsson (born 1986), Swedish professional ice hockey playerDaniel Gunnarsson (born 1992), Swedish professional ice hockey playerGuðmundur Gunnarsson (contemporary), Icelandic labor leader; father of father of Icelandic singer BjörkGuðmundur Steinn Gunnarsson (born 1982), Icelandic musician and composerGunnar Gunnarsson (1889–1975), Icelandic authorGunnar Thor Gunnarsson (born 1985), Icelandic professional football playerHermann Gunnarsson (contemporary), Icelandic television and radio personalityJan Gunnarsson (born 1962), Swedish tennis playerJohánnes Gunnarsson (1897–1972), Icelandic Roman Catholic prelatePétur Gunnarsson (born 1947), Icelandic author, poet, and translatorRolf Gunnarsson (born 1946), Swedish politician; member of the Riksdag since 1994Sturla Gunnarsson (born 1951), Iceland-born Canadian film directorSusanne Gunnarsson (born 1963), Swedish Olympic canoeistThorarinn Gunnarsson (contemporary), American science-fiction and fantasy authorÞórhallur Gunnarsson (born 1963), Icelandic actor and television personalityVeigar Páll Gunnarsson (born 1980), Icelandic professional football player playing in NorwayVictor Gunnarsson (1953–1993), Swedish extremist suspected in the murder of Swedish prime minister Olof Palme