Marin Kružić (born 11 September 1989) is a Croatian handball player who currently plays for RK Zamet.
In January 2013 got a call-up to train with the national team and to play in an upcoming against Norway.
In 2015 Kružić moved to RK Spačva Vinkovci where he played for one season.
In August 2016 it was announced that Kružić would be returning to RK Zamet.
He made all six appearances in the EHF Cup in 2016 with Zamet and scored 27 goals.