Deutsch 
| Position | Stürmer |
| Nationalität |  |
| Geburtsort | Wien, AUT |
| Größe | 185 cm |
| Gewicht | 83 kg |
| Geburtsdatum | 01.07.2002 |
| Jugendmannschaft | EAC Junior-Capitals |
| Schläger | Rechts |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2013-2014 | ZSC Lions | QC Int PW AA Elite | 3 | 1 | 1 | 2 | 0 | | | ||||||
| 2014-2015 | GC Küsnacht Lions U16 | Swiss U16-Elit | 2 | 0 | 0 | 0 | 0 | | | ||||||
| ZSC Lions | QC Int PW | 2 | 0 | 0 | 0 | 0 | | | |||||||
| 2016-2017 | RB Hockey Academy U16 | RBHRC U16 | - | - | - | - | - | | | ||||||
| 2017-2018 | RB Hockey Academy U18 | ICEJL | 31 | 27 | 59 | 86 | 6 | | | Playoffs | 8 | 7 | 5 | 12 | 0 |
| RB Hockey Academy U18 | Czechia U18 | 4 | 3 | 2 | 5 | 2 | | | |||||||
| 2018-2019 | Södertälje SK U18 | U18 Region | 16 | 5 | 16 | 21 | 0 | | | ||||||
| Södertälje SK U18 | U18 Nationell | 15 | 3 | 5 | 8 | 6 | | | Playoffs | 6 | 1 | 3 | 4 | 0 | |
| Södertälje SK U20 | U20 Nationell | 2 | 0 | 0 | 0 | 0 | | | |||||||
| Austria U18 | WJC-18 D1B | 5 | 2 | 2 | 4 | 6 | | | |||||||
| 2019-2020 | Södertälje SK U18 | U18 Region | 2 | 3 | 0 | 3 | 0 | | | ||||||
| Södertälje SK U20 | U20 Nationell | 35 | 6 | 16 | 22 | 2 | | | |||||||
| Austria U20 | WJC-20 D1A | 5 | 0 | 0 | 0 | 0 | | | |||||||
| 2020-2021 | Södertälje SK U20 | U20 Nationell | 11 | 4 | 6 | 10 | 0 | | | ||||||
| Austria U20 | WJC-20 | 4 | 0 | 0 | 0 | 0 | | | |||||||
| Austria U20 (all) | International-Jr | - | - | - | - | - | | | |||||||
| Austria (all) | International | 1 | 0 | 0 | 0 | 0 | | | |||||||
| 2021-2022 | Södertälje SK U20 | U20 Nationell | 28 | 17 | 20 | 37 | 8 | | | ||||||
| Södertälje SK | HockeyAllsvenskan | 22 | 0 | 6 | 6 | 6 | | | Relegation | 6 | 0 | 0 | 0 | 0 | |
| Austria U20 | WJC-20 Cancelled | 1 | 0 | 1 | 1 | 0 | | | |||||||
| Austria U20 | WJC-20 | 4 | 1 | 0 | 1 | 0 | | | |||||||
| Austria U20 (all) | International-Jr | - | - | - | - | - | | | |||||||
| 2022-2023 | Södertälje SK U20 | U20 Nationell | 5 | 2 | 2 | 4 | 0 | | | ||||||
| Södertälje SK | HockeyAllsvenskan | 43 | 3 | 7 | 10 | 2 | | | Qualification | 6 | 0 | 1 | 1 | 0 | |
| Austria U20 (all) | International-Jr | - | - | - | - | - | | | |||||||
| Austria (all) | International | 6 | 0 | 0 | 0 | 2 | | | |||||||
| 2023-2024 | Vienna Capitals | ICEHL | 30 | 4 | 2 | 6 | 2 | | | ||||||
| EK Zell am See | AlpsHL | 2 | 1 | 0 | 1 | 0 | | | |||||||
| Austria (all) | International | 7 | 2 | 1 | 3 | 0 | | | |||||||
| 2024-2025 | Vienna Capitals | ICEHL | 43 | 10 | 13 | 23 | 6 | | | Playoffs | 2 | 0 | 0 | 0 | 0 |
| Austria (all) | International | 9 | 0 | 1 | 1 | 0 | | | |||||||
| 2025-2026 | Vienna Capitals | ICEHL | 17 | 4 | 5 | 9 | 2 | | | ||||||
| Austria | Deutschland Cup | 2 | 1 | 2 | 3 | 0 | | | |||||||
| Austria (all) | International | 2 | 1 | 2 | 3 | 0 | | |
Leon Wallner (* 01. Juli 2002 in Wien, AUT) ist ein östereichischer Eishockeyspieler.
