Bjørnson is a Norwegian surname with the literal meaning "Son of Bjørn". Bjornson, Bjørnson, Bjørnsen, Björnsson and variations can refer to the following people: Icelanders. Ármann Smári Björnsson (born 1981), Icelandic footballer. Björn Th. Björnsson (1922-2007), Icelandic writer. Georgia Björnsson (1884–1957), Danish-born wife of Sveinn Björnsson, first president of Iceland. Hafþór Júlíus Björnsson (born 1988), Icelandic strongman and actor. Sveinn Björnsson (1881-1952), first president of Iceland. Sveinn Birkir Björnsson (born 1976), editor of The Reykjavík Grapevine. Norwegians.
https://en.wikipedia.org/wiki/Bjornson