Mamadou Thierno Barry is a 21-year-old professional football player from SEN. He currently plays for Union Saint-Gilloise, wearing the number 3 shirt. He plays primarily as a Defender. He stands at 195cm tall and weighs 81kg. His current market value is estimated at 1.5M €.

His most recent move was a Free from Tromso IL to Union Saint-Gilloise on 2025-01-27. The reported fee was 2.55M €.

Throughout the Belgian Pro League 2025-2026, Mamadou Thierno Barry featured in 18 matches, averaging 0.2 tackles, 0.2 interceptions, and 0.3 clearances per game, while blocking 0 shots per game.