Lasse Olsen (born 18 November 1973) is a Norwegian former footballer who played as a forward for Gjelleråsen, Strømsgodset, Aalesund, and Mjøndalen. He is the son of former Vålerenga player Terje Olsen. After the 2008 season, his contract with Aalesund was not renewed. He initially contemplated retirement, but in late December he was signed by SK Herd together with former teammate Karl Oskar Fjørtoft. From 2012 he continued to play in the lower divisions of Møre og Romsdal.