Isaksen is a Norwegian surname. In 2015, there were 4,719 people with this surname in Norway. The name is a patronymic meaning 'son of Isak'.
Notable people with the surname include:
Alf Isaksen (born 1946), Norwegian Sami politicianDjóni Isaksen (a.k.a. Djóni í Geil; 1849–1912), Faroese politicianDorothy Isaksen (born 1930), Australian politicianEspen Isaksen (born 1979), Norwegian soccer playerEva Isaksen (born 1956), Norwegian film directorFinn Isaksen (1924–1987), Norwegian politicianGeir Isaksen (born 1954), Norwegian businesspersonHugo Isaksen (born 1976), Norwegian musicianIngvild Isaksen (born 1989), Norwegian soccer playerJógvan Isaksen (born 1950), Faroese writer and literary historianKim Isaksen (born 1973), Norwegian singerKrister Isaksen (born 1970), Norwegian soccer playerLeif Isaksen (born 1928), Norwegian illustrator and cartoonistMagnar Isaksen (1910–1979), Norwegian soccer playerMargaux Isaksen (born 1991), American pentathleteRobin Isaksen (born 1977), Norwegian musicianRuno Isaksen (born 1968), Norwegian writerSamuel Isaksen (born 1982), Norwegian soccer playerTorbjørn Røe Isaksen (born 1978), Norwegian politicianTrond Norén Isaksen (born 1981), Norwegian historian