Jansson is a Swedish patronymic surname, meaning "son of Jan", derived from Johannes, a cognate of John. There are alternate Belgian, German, Dutch, Danish, Latvian and Norwegian spellings. Jansson is rare as a given name. People with the name Jansson or its variants include:
Bengt Jansson (born 1943), former Swedish international speedway riderCamilla Sköld Jansson (born 1957), Swedish politicianErik Jansson (1808–1850), leader of a Swedish pietist sect that emigrated to the United States in 1846Erik Jansson (cyclist) (1907–1993), Swedish, Olympic road racing cyclistFolke Jansson (1897–1965), Swedish, Olympics triple jumpGustaf Jansson (1922–2012), Swedish, Olympic marathonerHelena Jansson (born 1985), Swedish orienteerHerold Jansson (1899–1965), Danish, Olympic gymnast and diverJan-Magnus Jansson (1922–2003), Finnish politicianJan Janssonius (1588–1664), also known as Jan Jansson, Dutch cartographerJan Jansson (footballer) (born 1968), SwedishJesper Jansson (born 1971), Swedish football playerJimmy Jansson (born 1985), Swedish singer and songwriterJohn Jansson (1892–1943), Swedish, Olympic diverKarl Emanuel Jansson (1846–1874), Finnish artistLars Jansson (composer), (born 1951), Swedish composerMarlena Jansson (born 1970), Swedish orienteering competitorMats Jansson (born 1951), Swedish, Chief Executive Officer of SAS GroupMikael Jansson (born 1965), Swedish politicianNanna Jansson (born 1983), Swedish, Olympic ice hockey medalistRoger Jansson (born 1943), Finnish politicianPontus Jansson (born 1991), Swedish footballerTommy Jansson (1952–1976), Swedish motorcycle speedway riderTove Jansson (1914–2001), Finnish novelist, painter, illustrator and comic strip authorUlrik Jansson (born 1968), former Swedish footballerViktor Jansson (1886–1958), Finnish sculptorJansson Stegner (born 1972), American artistJansson (software), a Linux package for the C language capable of encoding, decoding and manipulating JSON data