Tuomas Ollila is a 26-year-old professional football player from FIN. He currently plays for Guingamp, wearing the number 5 shirt. He plays primarily as a Defender. He stands at 175cm tall and weighs 67kg. His preferred foot is Left. His current market value is estimated at 400K .

His most recent move was a Free from Paris FC to Guingamp on 2026-08-27. The reported fee was 0.2M €.

Throughout the French Ligue 2 2024-2025, Tuomas Ollila featured in 31 matches, averaging 0.7 tackles, 0.2 interceptions, and 0.5 clearances per game, while blocking 0.1 shots per game.