Lasse is a common masculine given name in Nordic countries. It is also often a nickname for people named Lars or Lauri. People. Notable people named Lasse include: Lasse Aasland (1926–2001), Norwegian politician. Lasse Åberg (born 1940), Swedish actor, musician, film director and artist. Lasse Berghagen, Swedish singer and songwriter. Lasse Björn (1931–2024), Swedish ice hockey player. Lasse Gjertsen (born 1984), Norwegian animator. Lasse Granqvist (born 1967), Swedish sports commentator. Lasse Hallström (born 1946), Swedish film director.
https://en.wikipedia.org/wiki/Lasse