Mario René Junior Lemina (French pronunciation: [maʁjo ləmina]; 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.

[4] He began his youth career in France aged 7 at local club ES Nanterre; he then went to study sports at Rueil-Malmaison, finishing at Colombes.

He began to be used more frequently by manager Marcelo Bielsa during the 2014–15 season, making his breakthrough with the club, as he helped the team to a fourth-place finish, earning 23 appearances in the league.

[6] On 31 August, however, the last day of the transfer window, Juventus announced the signing of Lemina on a season-long loan for €500,000 with an option to buy for €9.5 million at the end of the 2015–16 season.

[10] On 21 May, Lemina started in the Coppa Italia Final, playing the full match as Juventus defeated AC Milan 1–0 after extra time to capture the domestic double for the second consecutive season.

[18] On 7 March 2021, Lemina scored his first Fulham goal to seal a 1–0 away win over Liverpool, handing them their sixth consecutive league defeat at Anfield for the first time in the Reds' history.

[21] He made his first appearance on 14 January 2023 as a substitute in a home Premier League game against West Ham, a fixture which Wolves won 1–0.

[24] On Lemina's fourth appearance for his new side on 11 February, he was sent off in the first-half of Wolves's Premier League game away to his former club, Southampton, for receiving two yellow cards.

[25] Lemina was sent off for the second time in his Wolves career in a 1–1 draw with Aston Villa at Molineux in the Premier League on 8 October 2023, having again picked up two yellow cards in one game.

[47] He had just been released by Gabon following a heart complication due to COVID-19, leaving in the middle of the 2021 Africa Cup of Nations tournament.

[50] A strong, powerful, hard-working, and dynamic right-footed midfielder, with good technical skills and solid distribution, Lemina is a box-to-box player who is usually deployed in the centre, due to his ability to start attacking plays after winning back possession.