SK Trondheims-Ørn is a Norwegian association football club from Trondheim. The club has one of Norway's most famous women's football teams.The club was founded on 18 May 1917, and became a member of the Workers' Sports Federation in the 1920s. It was first based in Lademoen, and had a clubhouse at Buran between 1946 and the 1960s. After the foundation it got sections for association football, Nordic skiing, speed skating, track and field and swimming.