Ulf Thoresen (12 February 1946 – 11 July 1992) was a Norwegian harness racer.
He was born in Larvik.
He won more than 4,000 races in Norway and about 300 races abroad.
He won the Hambletonian Stake in 1986 with the horse Nuclear Kosmos, won the race Oslo Grand Prix in 1976 and 1978, and Olympiatravet in 1987.
This biographical article relating to Norwegian sport is a stub.