Simen Muffetangen (born 6 June 1971) is a Norwegian former handball player and coach.
A multiple times top scorer in the Norwegian league, his club achievements include winning the Norwegian cup and league with Sandefjord TIF, and the DHB-Pokal with VfL Bad Schwartau.
He played more than one hundred matches for the Norwegian national team, including competing in the world championships.
In 1999 he won the Norwegian championship and cup double with Sandefjord TIF.
This biographical article related to Norwegian team handball is a stub.