Thierno Mamadou Barry (born 21 October 2002) is a French professional footballer who plays as a striker for Premier League club Everton.
Born in Lyon, Barry played for Toulon before moving to Sochaux in 2021; he was initially assigned to the reserve team in the Championnat National 3. Despite scoring on a regular basis, he never played for the first team.
On 6 July 2022, after a successful test period, Barry was awarded a contract for two seasons in Belgium with Beveren. He finished the season with 20 goals overall, as they narrowly missed out promotion.
On 3 July 2023, Swiss Super League club Basel announced that Barry had signed on a four-year contract. He joined Basel's first team for the 2023–24 season under head coach Timo Schultz. After playing in two test games, Barry made his league debut for the club in an away match at the Kybunpark on 22 July against St. Gallen. Barry would be shown a second yellow card and dismissed in the 69th minute, as Basel were defeated 2–1.
Barry scored his first goal for his new club in his next match five days later, coming in the first leg of the UEFA Europa Conference League second qualifying round on 27 July against Tobol from Kazakhstan. However, Barry would be shown a straight red card later in the match, and was dismissed for the second time in his first two competitive appearances with the club as Basel suffered a 3–1 defeat.
On 21 August 2024, Barry signed for La Liga club Villarreal on a five-year deal. In his debut season in La Liga, Barry scored 11 goals in 35 appearances.
On 9 July 2025, Barry signed for Premier League side Everton on a four-year deal. On 6 December, Barry scored his first career Premier League goal with the club in a 3–0 home victory against Nottingham Forest, assisted by Iliman Ndiaye.
In Everton's opening Premier League match of the 2026–27 season, Barry scored in a 2–0 win over Crystal Palace.
On 26 August 2026, Barry scored his first hat-trick, against Preston in the second round of the EFL Cup.
Barry was called up to the France U21s for the 2025 UEFA European Under-21 Championship.
Born in France, Barry is of Guinean descent.
As of match played 2 November 2026
Thierno Barry at the French Football Federation (in French)