Otso Koskinen (born 1 January 2003) is a Finnish professional footballer who plays as a midfielder for Ykkösliiga side Lahti.
He went on to make his senior debut with the club's reserve team in the third-tier league Kakkonen in 2020.
[3] After the 2023 season, Honka was suddenly declared for bankruptcy, and Koskinen was released.
Soon after, it was announced that Koskinen had signed with fellow Veikkausliiga side FC Lahti on a two-year deal, starting in 2024.
[4] He debuted with his new club on 27 January 2024, in a Finnish League Cup match against Inter Turku, scoring a goal in a 3–2 loss.