Ukko Happonen is a 19-year-old professional football player from FIN. He currently plays for Bologna U20, wearing the number 1 shirt. At the international level, he represents Finland U17. He plays primarily as a Goalkeeper. His preferred foot is Right. His current market value is estimated at 50K €.

His most recent move was a from PK Keski-UusimaaU19 to Bologna U20 on 2023-06-30.

In the Italian Campionato Primavera 1 2025-2026, Ukko Happonen played 10 matches, averaging 0 interceptions, 0 tackles, and 0.1 clearances per game.