Thorleif Olsen (15 November 1921 – 11 March 1996) was a Norwegian football player.
He was capped 34 times for Norway between 1950 and 1955, and received the Norwegian Football Association Gold Watch in 1954.
Born in Kristiania on 15 November 1921, Olsen played for the Oslo sports club Vålerengens IF.
[2][1] Olsen first played football for Grønvold IL, a member of the Workers Federation of Sports.
He is also the oldest player to score in the top league, in a match against Skeid in October 1963, at the age of 41 years, 323 days.