Thierno Ballo is a 25-year-old professional football player from AUT. He currently plays for Millwall, wearing the number 7 shirt. At the international level, he represents Austria U21. He plays primarily as a Forward. He stands at 172cm tall and weighs 60kg. His current market value is estimated at 6M €.

His most recent move was a Loan from Millwall to Wolfsberger AC on 2026-06-30.

In the English Football League Championship 2025-2026 season, Thierno Ballo scored 1 goals and provided 4 assists across 30 appearances, averaging 0 goals per game with 26 shots attempted and 10 on target.