Joona Tiainen is a 26-year-old professional football player from FIN. He plays primarily as a Goalkeeper. He stands at 183cm tall and weighs 79kg. His preferred foot is Right. His current market value is estimated at 25K .

His most recent move was a from Lahti to Oskarshamns AIK on 2026-02-18.

In the Finnish Ykkosliiga 2025, Joona Tiainen played 17 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.