Career
He played for Vålerengen his entire career, except for two seasons which he spent with Lillestrøm. Olsen was capped three times playing for Norway. Olsen started his career with Vålerengen in 1968, and played for the club until 1975.
He then moved to Lillestrøm, where he 43 matches and scored nine goals over two seasons.
In total, Olsen played 102 matches for Vålerengen scoring 23 goals during his 11 seasons at the club Only nine other players have played for Vålerengen longer than Olsen, and after Olsen retired the only player to match his 11 seasons is Øyvind Bolthof.
Olsen played seven matches for Norway U21 and was later capped three times for Norway between 1972 and 1974. Olsen is the father of the football player Lasse Olsen.