| Eero Tamminen | |
| Birth Date: | 19 May 1995 |
| Birth Place: | Pihtipudas, Finland |
| Height: | 1.84 m |
| Position: | Winger |
| Currentclub: | JäPS |
| Clubnumber: | 20 |
| Youthyears1: | –2014 |
| Youthclubs1: | JJK[1] |
| Years1: | 2013 |
| Clubs1: | → Hämeenlinnan Härmä (loan) |
| Caps1: | 10 |
| Goals1: | 1 |
| Years2: | 2014 |
| Clubs2: | → SJK Akatemia (loan) |
| Caps2: | 4 |
| Goals2: | 0 |
| Years3: | 2014 |
| Clubs3: | TPS |
| Caps3: | 25 |
| Goals3: | 5 |
| Years4: | 2015–2016 |
| Clubs4: | VPS |
| Caps4: | 42 |
| Goals4: | 2 |
| Years5: | 2017–2018 |
| Clubs5: | Ilves |
| Caps5: | 51 |
| Goals5: | 6 |
| Years6: | 2019 |
| Clubs6: | Inter Turku |
| Caps6: | 7 |
| Goals6: | 0 |
| Years7: | 2019–2020 |
| Clubs7: | Ilves |
| Caps7: | 17 |
| Goals7: | 1 |
| Years8: | 2021–2022 |
| Clubs8: | IFK Mariehamn |
| Caps8: | 30 |
| Goals8: | 3 |
| Years9: | 2023– |
| Clubs9: | JäPS |
| Caps9: | 16 |
| Goals9: | 1 |
| Nationalyears1: | 2013 |
| Nationalcaps1: | 15 |
| Nationalgoals1: | 5 |
| Nationalteam1: | Finland U-18 |
| Nationalyears2: | 2014 |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2015–2016 |
| Nationalcaps3: | 6 |
| Nationalgoals3: | 1 |
| Nationalteam3: | Finland U-21 |
| Pcupdate: | 27 November 2023 |
Eero Tamminen (born 19 May 1995) is a Finnish professional footballer who plays as a winger for JäPS.