Marthinsen is a surname. Notable people with the surname include:
- Finn Kristian Marthinsen (born 1946), Norwegian politician
- Jim Marthinsen (born 1956), Norwegian ice hockey player
- Karl Marthinsen (1896–1945), Norwegian Army commander
- Mariann Marthinsen (born 1984), Norwegian cross-country skier and swimmer
- Marianne Marthinsen (born 1980), Norwegian politician
- Niels Marthinsen (born 1963), Danish composer
- Ole Marthinsen (1928–2003), Norwegian bandy player
Surname listThis page lists people with the surname Marthinsen. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: