Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Geburtsort | Zürich, SUI |
| Größe | 189 cm |
| Gewicht | 99 kg |
| Geburtsdatum | 06.05.1997 |
| Jugendmannschaft | Zürcher SC |
| Schusshand/Fanghand | Links |
| Draft | 2015 round 2 #57 overall by Washington Capitals |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2008-2009 | ZSC Lions III U15 | Mini B | 2 | 1 | 0 | 1 | 2 | | | ||||||
| 2009-2010 | ZSC Lions U15 | U15-Elit | 7 | 0 | 2 | 2 | 6 | | | ||||||
| EHC Urdorf U15 | U15-Top | 11 | 3 | 1 | 4 | 10 | | | |||||||
| ZSC Lions | QC Int PW | 5 | 3 | 1 | 4 | 4 | | | |||||||
| 2010-2011 | ZSC Lions U15 | U15-Elit | 26 | 13 | 18 | 31 | 18 | | | Playoffs QC | 1 | 0 | 0 | 0 | 0 |
| ZSC Lions U17 | U17-Elit | 2 | 0 | 0 | 0 | 0 | | | Playoffs | 5 | 0 | 0 | 0 | 4 | |
| ZSC Lions II U17 | U17-Top | 17 | 6 | 4 | 10 | 24 | | | |||||||
| 2011-2012 | ZSC Lions U17 | U17-Elit | 29 | 3 | 9 | 12 | 103 | | | Playoffs | 8 | 0 | 2 | 2 | 50 |
| ZSC Lions U20 | U20-Top | 2 | 0 | 0 | 0 | 0 | | | |||||||
| GCK Lions U20 | U20-Elit | 7 | 0 | 2 | 2 | 4 | | | |||||||
| 2012-2013 | ZSC Lions U17 | U17-Elit | 5 | 1 | 7 | 8 | 20 | | | Playoffs | 5 | 0 | 2 | 2 | 31 |
| GCK Lions U20 | U20-Elit | 34 | 2 | 12 | 14 | 54 | | | Playoffs | 7 | 0 | 1 | 1 | 8 | |
| Switzerland U16 (all) | International-Jr | 9 | 3 | 1 | 4 | 24 | | | |||||||
| Switzerland U17 | EYOF | 3 | 0 | 1 | 1 | 4 | | | |||||||
| Switzerland U17 (all) | International-Jr | 3 | 0 | 1 | 1 | 4 | | | |||||||
| Switzerland U18 | WJC-18 | 5 | 0 | 0 | 0 | 8 | | | |||||||
| Switzerland U18 (all) | International-Jr | 7 | 0 | 1 | 1 | 8 | | | |||||||
| 2013-2014 | GCK Lions U20 | U20-Elit | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 7 | 0 | 0 | 0 | 2 |
| GC Küsnacht Lions | SL | 40 | 2 | 6 | 8 | 24 | | | |||||||
| ZSC Lions | NL | 6 | 0 | 0 | 0 | 2 | | | |||||||
| Switzerland U18 | Hlinka Gretzky Cup | 4 | 0 | 0 | 0 | 2 | | | |||||||
| Switzerland U18 | WJC-18 | 5 | 0 | 1 | 1 | 2 | | | |||||||
| Switzerland U18 (all) | International-Jr | 20 | 0 | 9 | 9 | 34 | | | |||||||
| 2014-2015 | ZSC Lions | NL | 41 | 0 | 3 | 3 | 39 | | | Playoffs | 18 | 0 | 2 | 2 | 4 |
| ZSC Lions | Champions HL | 4 | 0 | 0 | 0 | 6 | | | |||||||
| ZSC Lions | Swiss Cup | 1 | 0 | 0 | 0 | 0 | | | |||||||
| GC Küsnacht Lions | SL | 10 | 1 | 7 | 8 | 10 | | | |||||||
| Switzerland U18 | WJC-18 | 7 | 0 | 4 | 4 | 20 | | | |||||||
| Switzerland U18 (all) | International-Jr | 7 | 0 | 4 | 4 | 20 | | | |||||||
| Switzerland U20 | WJC-20 | 6 | 0 | 1 | 1 | 8 | | | |||||||
| Switzerland U20 (all) | International-Jr | 12 | 0 | 1 | 1 | 12 | | | |||||||
| 2015-2016 | GCK Lions U20 | U20-Elit | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 1 | 1 | 0 | 1 | 2 |
| ZSC Lions | NL | 40 | 3 | 5 | 8 | 28 | | | Playoffs | 4 | 0 | 0 | 0 | 2 | |
| ZSC Lions | Champions HL | 5 | 1 | 1 | 2 | 4 | | | |||||||
| ZSC Lions | Swiss Cup | 5 | 0 | 3 | 3 | 0 | | | |||||||
| Hershey Bears | AHL | 6 | 0 | 1 | 1 | 8 | | | |||||||
| Switzerland U20 | WJC-20 | 6 | 0 | 1 | 1 | 6 | | | |||||||
| Switzerland U20 (all) | International-Jr | 10 | 1 | 2 | 3 | 10 | | | |||||||
| 2016-2017 | ZSC Lions | NL | 28 | 1 | 6 | 7 | 16 | | | Playoffs | 6 | 0 | 0 | 0 | 8 |
| ZSC Lions | Champions HL | 4 | 0 | 0 | 0 | 4 | | | |||||||
| ZSC Lions | Swiss Cup | 1 | 0 | 0 | 0 | 0 | | | |||||||
| Hershey Bears | AHL | 7 | 0 | 0 | 0 | 2 | | | Playoffs | 5 | 0 | 0 | 0 | 2 | |
| Switzerland U20 | WJC-20 | 5 | 1 | 5 | 6 | 2 | | | |||||||
| Switzerland U20 (all) | International-Jr | 10 | 1 | 7 | 8 | 8 | | | |||||||
| 2017-2018 | Hershey Bears | AHL | 75 | 6 | 6 | 12 | 61 | | | ||||||
| Switzerland (all) | International | 3 | 0 | 0 | 0 | 4 | | | |||||||
| 2018-2019 | Washington Capitals | NHL | 26 | 0 | 4 | 4 | 10 | | | Playoffs | 4 | 0 | 0 | 0 | 2 |
| Hershey Bears | AHL | 34 | 2 | 4 | 6 | 30 | | | |||||||
| 2019-2020 | Washington Capitals | NHL | 64 | 2 | 7 | 9 | 43 | | | Playoffs | 7 | 0 | 0 | 0 | 0 |
| 2020-2021 | Washington Capitals | NHL | 7 | 0 | 0 | 0 | 2 | | | ||||||
| New Jersey Devils | NHL | 8 | 0 | 0 | 0 | 2 | | | |||||||
| Switzerland | WC | 7 | 0 | 1 | 1 | 6 | | | |||||||
| Switzerland (all) | International | 7 | 0 | 1 | 1 | 6 | | | |||||||
| 2021-2022 | New Jersey Devils | NHL | 70 | 1 | 13 | 14 | 42 | | | ||||||
| Switzerland | EHT | 1 | 0 | 0 | 0 | 0 | | | |||||||
| Switzerland | WC | 8 | 1 | 4 | 5 | 4 | | | |||||||
| Switzerland (all) | International | 9 | 1 | 4 | 5 | 4 | | | |||||||
| 2022-2023 | New Jersey Devils | NHL | 80 | 4 | 17 | 21 | 44 | | | Playoffs | 11 | 1 | 2 | 3 | 8 |
| Switzerland | WC | 5 | 2 | 0 | 2 | 0 | | | |||||||
| Switzerland (all) | International | 5 | 2 | 0 | 2 | 0 | | | |||||||
| 2023-2024 | New Jersey Devils | NHL | 57 | 1 | 8 | 9 | 20 | | | ||||||
| Switzerland | EHT | 2 | 0 | 0 | 0 | 2 | | | |||||||
| Switzerland | WC | 9 | 0 | 4 | 4 | 4 | | | |||||||
| Switzerland (all) | International | 11 | 0 | 4 | 4 | 6 | | | |||||||
| 2024-2025 | New Jersey Devils | NHL | 27 | 1 | 6 | 7 | 12 | | |
Jonas Siegenthaler (* 06. Mai 1997 in Zürich, SUI) ist ein schweizer Eishockeyspieler.
