Torkildsen is a surname, a patronymic from the name Torkild. Notable people with the surname include:
Arne Torkildsen (1899–1968), Norwegian neurosurgeon Even Torkildsen Lande (1758–1833), Norwegian farmer and politician Justin Torkildsen (born 1981), American actor Peter G. Torkildsen, the former Massachusetts Republican State Committee Chairman Thore Torkildsen Foss (1841–1913), Norwegian politician for the Liberal Party Tor Torkildsen (1932–2006), Norwegian novelist and seaman Torleif Torkildsen (1892–1944), Norwegian gymnast who competed in the 1912 Summer Olympics Elijah K. Torkildsen (1956 - 2015) American New York lawyer, public relations, and lobbyist Ken Torkildsen (1983–), Norwegian close protection officer. (Bodyguard)