Deutsch 
| Position | Stürmer |
| Nationalität |  |
| Geburtsort | Altenburg, GER |
| Größe | 180 cm |
| Gewicht | 75 kg |
| Geburtsdatum | 21.10.1999 |
| Jugendmannschaft | ETC Crimmitschau |
| Schusshand/Fanghand | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2012-2013 | ETC Crimmitschau U16 | Schüler-BL | 16 | 3 | 6 | 9 | 6 | | | Relegation | 2 | 0 | 1 | 1 | 4 |
| SG Crimmitschau/Schönheide U16 | Germany U16 2 | - | - | - | - | - | | | |||||||
| 2013-2014 | Eisbären Juniors Berlin U16 | Schüler-BL | 29 | 8 | 14 | 22 | 12 | | | Playoffs | 5 | 1 | 3 | 4 | 18 |
| 2014-2015 | Eisbären Juniors Berlin U16 | Schüler-BL | 30 | 11 | 20 | 31 | 30 | | | Playoffs | 5 | 2 | 2 | 4 | 8 |
| Germany U16 (all) | International-Jr | - | - | - | - | - | | | |||||||
| 2015-2016 | Eisbären Juniors Berlin U19 | DNL | 37 | 0 | 3 | 3 | 14 | | | Playoffs QC | 2 | 0 | 0 | 0 | 2 |
| 2016-2017 | Eisbären Juniors Berlin U19 | DNL | 42 | 2 | 10 | 12 | 30 | | | Playoffs | 5 | 0 | 1 | 1 | 4 |
| Germany U18 (all) | International-Jr | 12 | 0 | 1 | 1 | 4 | | | |||||||
| 2017-2018 | Eisbären Juniors Berlin U19 | DNL Q | 12 | 1 | 4 | 5 | 8 | | | ||||||
| Eisbären Juniors Berlin U19 | DNL | 26 | 6 | 14 | 20 | 18 | | | Playoffs | 5 | 0 | 2 | 2 | 29 | |
| 2018-2019 | Eispiraten Crimmitschau | DEL2 | 52 | 0 | 1 | 1 | 12 | | | Playoffs | 8 | 0 | 0 | 0 | 0 |
| 2019-2020 | Eispiraten Crimmitschau | DEL2 | 52 | 1 | 6 | 7 | 14 | | | ||||||
| 2020-2021 | Eispiraten Crimmitschau | DEL2 | 49 | 8 | 8 | 16 | 12 | | | ||||||
| 2021-2022 | Eispiraten Crimmitschau | DEL2 | 48 | 2 | 5 | 7 | 12 | | | Playoffs | 3 | 0 | 0 | 0 | 0 |
| 2022-2023 | Saale Bulls Halle | Germany3 | 54 | 11 | 21 | 32 | 26 | | | Playoffs | 13 | 3 | 4 | 7 | 10 |
| 2023-2024 | Hammer Eisbären | Germany3 | 43 | 6 | 9 | 15 | 30 | | | Playoffs | 5 | 1 | 3 | 4 | 0 |
| 2024-2025 | Hammer Eisbären | Germany3 | 16 | 2 | 5 | 7 | 6 | | |
Marius Demmler (* 21. Oktober 1999 in Altenburg, GER) ist ein deutscher Eishockeyspieler, der seit der Saison 2018/19 bei den Eispiraten Crimmitschau unter Vertrag steht.
