Stefansson

Stefansson or Stefánsson is a surname of Icelandic or Swedish origin, meaning son of Stefán. In Icelandic names, the name is not strictly a surname, but a patronymic. The name may refer to:
 * Baldur R. Stefansson (1917–2002), Canadian agricultural scientist; known as the Father of Canola
 * Davíð Stefánsson (1895–1964), Icelandic poet
 * Hannes Stefánsson (born 1972), Icelandic chess grandmaster
 * Hermann Stefánsson (born 1968), Icelandic author
 * Ívar Stefánsson (1927–2009), Icelandic cross-country skier
 * Janne Stefansson (born 1935), Swedish Olympic cross-country skier
 * Jón Arnór Stefánsson (born 1982), Icelandic professional basketball player
 * Jón Kalman Stefánsson (born 1963), Icelandic author
 * Kári Stefánsson (born 1949), Icelandic physician and professor of neurology; co-founder of deCODE Genetics
 * Ólafur Stefánsson (born 1973), Icelandic professional handball player
 * Sigurd Stefánsson, the author of the historical Skálholt Map
 * Stefán Jóhann Stefánsson (1894–1980), Icelandic politician; prime minister of Iceland 1947–49
 * Stefán Karl Stefánsson (1975–2018), Icelandic film and stage actor
 * Vilhjalmur Stefansson (1879–1962), Canadian Arctic explorer and ethnologist