| Osku Heinonen | |
| Position: | Forward |
| Height Ft: | 6 |
| Height In: | 4.5 |
| Weight Lb: | 210 |
| Birth Date: | 4 September 1992 |
| Birth Place: | Tampere, Finland |
| Career Start: | 2009 |
| Years1: | 2009–2016 |
| Team1: | Tampereen Pyrintö |
| Years2: | 2010–2011 |
| Team2: | → BC Nokia |
| Years3: | 2011–2014 |
| Team3: | → Tampereen Pyrintö II |
| Years4: | 2016–2017 |
| Team4: | Kouvot |
| Years5: | 2017–2023 |
| Team5: | Tampereen Pyrintö |
| Years6: | 2023–2024 |
| Team6: | Haukar |
| Years7: | 2024 |
| Team7: | Umana San Giobbe Chiusi |
| Highlights: |
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Osku Simana Heinonen (born 4 September 1992) is a Finnish basketball player who most recently played for Umana San Giobbe Chiusi of the Italian Serie A2. In 2014, he won the Finnish championship with Tampereen Pyrintö. Alongside Finnish competitions, Heinonen represented Pyrintö in EuroChallenge and Baltic Basketball League. He has also represented Pyrintö's reserve team and Kouvot.
Heinonen injured his knee in February 2014 and therefore missed the end of the season.[1]
Pyrintö achieved national silver medals in 2016 losing to Kouvot at the finals. In June 2016 Heinonen signed a one-year contract with Kouvot.[2] In June 2017 he returned to Pyrintö.[3]
In June 2023, Heinonen signed with Haukar of the Icelandic Úrvalsdeild karla.[4] On 26 October, he scored 29 points, including nine three pointers, in a win against Hamar.[5]
Heinonen has played for Finland's national youth teams.
Heinonen grew up in Hallila, Tampere.[6] He studied computer science at the University of Tampere[7] and is married.[8]
Heinonen was diagnosed with type 1 diabetes before he turned one year old and has spoken publicly about controlling diabetes in the life of a top athlete.[9]