Deutsch 
| Position | Torhüter |
| Nationalität |  |
| Geburtsort | Helsinki, FIN |
| Größe | 173 cm |
| Gewicht | 63 kg |
| Geburtsdatum | 04.04.2001 |
| Jugendmannschaft | Viikingt |
| Schusshand/Fanghand | Links |
| Weitere Teams |
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| Season | Team | League | GP | GAA | SVS% | Playoffs | GP | GAA | SVS% | |
| 2015-2016 | Jokerit U16 | U16 SM-sarja | 1 | - | .955 | | | ||||
| 2016-2017 | Jokerit U16 | U16 SM-sarja Q | 10 | - | .911 | | | ||||
| Jokerit U16 | U16 SM-sarja | 7 | - | .898 | | | Playoffs | 1 | - | .792 | |
| Jokerit U18 | U18 SM-sarja | 0 | - | - | | | |||||
| 2017-2018 | Kiekko-Vantaa U17 | U17 SM-sarja | 8 | 2.80 | .929 | | | ||||
| Kiekko-Vantaa U18 | U18 SM-sarja | 17 | 3.29 | .905 | | | |||||
| Kiekko-Vantaa U20 | U20 Mestis | 0 | - | - | | | Playoffs | 0 | - | - | |
| 2018-2019 | Kiekko-Vantaa U18 | U18 Mestis Q | 10 | 1.60 | .943 | | | ||||
| Kiekko-Vantaa U18 | U18 SM-sarja | 15 | 2.80 | .914 | | | |||||
| Kiekko-Vantaa U20 | U20 Mestis | 6 | 2.00 | .929 | | | |||||
| Kiekko-Vantaa U20 | U20 SM-sarja | 1 | 4.00 | .905 | | | |||||
| 2019-2020 | Kiekko-Vantaa U20 | U20 Mestis | 9 | 2.56 | .900 | | | ||||
| Kiekko-Vantaa U20 | U20 SM-sarja | 2 | 5.50 | .838 | | | |||||
| Kiekko-Vantaa | Mestis | 0 | - | - | | | |||||
| Jokerit U20 | U20 SM-sarja | 0 | - | - | | | |||||
| Kiekko-Vantaa Itä | II-divisioona | 2 | 4.50 | .855 | | | |||||
| 2020-2021 | EV Landshut U20 | DNL U20 | 3 | 2.90 | - | | | ||||
| 2021-2022 | EHC Erfurt | Germany3 | 6 | 2.69 | .883 | | | Playoffs | 1 | 9.29 | .733 |
| 2022-2023 | EG Diez-Limburg | Germany3 | 47 | 4.21 | .890 | | | ||||
| Lausitzer Füchse | DEL2 | 1 | 2.00 | .929 | | | Playoffs | 0 | - | - | |
| 2023-2024 | Lausitzer Füchse | DEL2 | 0 | - | - | | | Playoffs | 0 | - | - |
| EV Lindau | Germany3 | 5 | 3.49 | .897 | | | Playoffs QC | 2 | 4.87 | .825 | |
| 2024-2025 | EV Lindau | Germany3 | 21 | 3.52 | .877 | | | ||||
| Ravensburg Towerstars | DEL2 | 0 | - | - | | |
Tommi Steffen (* 04. April 2001 in Helsinki, FIN) ist ein deutsch-finnischer Eishockeyspieler.
