Rasmus Boysen (born 14 October 1992) is a Danish handball player, currently playing for Ribe-Esbjerg HH.
He joined the club in 2015 from TM Tønder.
Until 2014 he played for Skjern Håndbold.
Boysen has appeared for the Danish youth national team, with whom he participated in the U21 World Championship in Bosnia in 2013.
He has played 15 youth national matches for Denmark.
Rasmus Boysen has participated in the EHF Cup with Skjern Håndbold twice.
In last season - 2016/17 - Boysen secured his team Ribe-Esbjerg HH a spot in the playoffs for the first time in the history of the club, with a goal in the last second of the home game against the League rivals SønderjyskE.