Deutsch 
| Position | Stürmer |
| Nationalität |  |
| Größe | 183 cm |
| Gewicht | 74 kg |
| Geburtsdatum | 31.08.2008 |
| Jugendmannschaft | EC Bad Tölz |
| Schläger | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2021-2022 | EC Bad Tölz U15 | Germany U15 | - | - | - | - | - | | | ||||||
| SG Geretsried/Bad Tölz U15 | Germany U15 2 | - | - | - | - | - | | | |||||||
| 2022-2023 | EC Bad Tölz U17 | Germany U17 | 2 | 0 | 0 | 0 | 0 | | | ||||||
| 2023-2024 | EC Bad Tölz U17 | Germany U17 | 9 | 8 | 9 | 17 | 27 | | | ||||||
| 2024-2025 | EC Bad Tölz U17 | Germany U17 | 34 | 34 | 29 | 63 | 36 | | | Playoffs | 2 | 0 | 3 | 3 | 2 |
| EC Bad Tölz U20 | DNL U20 | 6 | 0 | 0 | 0 | 4 | | | |||||||
| Tölzer Löwen | Germany3 | 2 | 0 | 0 | 0 | 0 | | | |||||||
| Germany U17 (all) | International-Jr | 2 | 0 | 0 | 0 | 2 | | | |||||||
| 2025-2026 | EC Bad Tölz U20 | DNL U20 | 21 | 8 | 19 | 27 | 20 | | | ||||||
| Tölzer Löwen | Germany3 | 6 | 0 | 2 | 2 | 2 | | |
Johannes Haßmann ist ein deutscher Eishockeyspieler.
