Grégory Mounis (born 18 January 1985 in Perpignan, France) is a French former professional rugby league footballer who played in the 2000s and 2010s. He played for Catalans Dragons in the Super League competition. Equally comfortable at second-row or at loose forward, Mounis became the first French captain of Catalans in 2007 and featured in every Super League season for the club between 2006 and 2016, having made his debut in the club's inaugural Super League match against Wigan Warriors in 2006.