Lasse Boesen (born 18 September 1979) is a Danish retired team handball player and current coach. He is European Champion by winning the 2008 European Men's Handball Championship with the Danish national handball team. He received a bronze medal at the 2007 World Championships.
In 2006 he won the Danish Men's Handball Cup with KIF Kolding and was named MVP for the tournament.
From 2024 to 2026 he was the assistant caoch at GGIF Grindsted. During his time at the club Grindsted played their first and second ever season in the Danish top league.