Marthinsen

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