Ukko Happonen is a 19-year-old professional football player from FIN. He currently plays for Bologna, wearing the number 72 shirt. At the international level, he represents Finland U17. He plays primarily as a Goalkeeper. He stands at 193cm tall and weighs 80kg. His preferred foot is Right. His current market value is estimated at 50K .

His most recent move was a from Bologna U19 to Bologna on 2026-07-01.

In the Serie A 2025-2026, Ukko Happonen played 2 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.