Mouez Hassen is a professional footballer who plays as a goalkeeper for Tunisian Ligue Professionnelle 1 side Club Africain. A dual French-Tunisian national, he plays for the Tunisia national team. Hassen was born in Fréjus, Var. Hassen made his Ligue 1 debut on 25 September 2013 in a 2–0 away defeat against FC Nantes. On 31 January 2017, Hassen signed a five-month loan deal with Southampton, where he was re-united with his former manager, Claude Puel, although he made no appearances for the club. Hassen joined Châteauroux on loan on 9 July 2017. On 1 November 2019, Hassen signed a one-season contract with a one-season extension option with Belgian First Division A club Cercle Brugge. On 9 September 2021 he joined Tunisian club Club Africain.