Mario René Junior Lemina (born 1 September 1993) is a Gabonese professional footballer who plays as a central midfielder for Süper Lig club Galatasaray and the Gabon national team. He played for French sides Lorient and Marseille, before joining Italian side Juventus in 2015, where he won the domestic double in both of his seasons with the club. He joined Premier League side Southampton in 2017, and was later loaned out to Turkish club Galatasaray in 2019. A former French international at youth level, Lemina went on to represent Gabon at senior level, making his senior international debut in 2017. He later represented Gabon at the 2017 Africa Cup of Nations.