Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Geburtsort | Ottawa, ON, CAN |
| Größe | 197 cm |
| Gewicht | 102 kg |
| Geburtsdatum | 05.03.1998 |
| Jugendmannschaft | Gloucester MHA |
| Schläger | Rechts |
| Draft | 2016 round 6 #179 overall by Toronto Maple Leafs |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2011-2012 | Upper Canada Cyclones U14 AAA | HEO U14 | 28 | 3 | 11 | 14 | 38 | | | Playoffs | 5 | 2 | 2 | 4 | 8 |
| 2012-2013 | Eastern Ontario Wild U15 AAA | HEO U15 | 29 | 5 | 4 | 9 | 20 | | | Playoffs | 5 | 1 | 0 | 1 | 8 |
| 2013-2014 | Eastern Ontario Wild U16 AAA | OEHL U16 | 30 | 6 | 14 | 20 | 24 | | | ||||||
| Eastern Ontario Wild U18 AAA | OEHL U18 | 2 | 0 | 2 | 2 | 4 | | | Playoffs | 4 | 1 | 1 | 2 | 2 | |
| Team HEO | OGC-16 | 5 | 0 | 1 | 1 | 12 | | | |||||||
| Navan Grads | CCHL | 2 | 0 | 0 | 0 | 0 | | | |||||||
| 2014-2015 | Navan Grads | CCHL | 52 | 4 | 10 | 14 | 48 | | | ||||||
| 2015-2016 | London Knights | OHL | 39 | 4 | 6 | 10 | 24 | | | Playoffs | 5 | 1 | 0 | 1 | 2 |
| 2016-2017 | London Knights | OHL | 66 | 2 | 6 | 8 | 75 | | | Playoffs | 14 | 0 | 1 | 1 | 4 |
| 2017-2018 | Flint Firebirds | OHL | 38 | 5 | 17 | 22 | 18 | | | ||||||
| Brantford Bulldogs | OHL | 26 | 3 | 5 | 8 | 12 | | | Playoffs | 21 | 1 | 6 | 7 | 12 | |
| Brantford Bulldogs | Memorial Cup | 4 | 1 | 0 | 1 | 6 | | | |||||||
| 2018-2019 | Brantford Bulldogs | OHL | 40 | 13 | 17 | 30 | 46 | | | ||||||
| Oshawa Generals | OHL | 28 | 5 | 26 | 31 | 16 | | | Playoffs | 15 | 3 | 5 | 8 | 16 | |
| 2019-2020 | Univ. of Ottawa | USports | 24 | 7 | 9 | 16 | 42 | | | Playoffs | 9 | 2 | 9 | 11 | 4 |
| 2020-2021 | Univ. of Ottawa | USports | 0 | 0 | 0 | 0 | 0 | | | ||||||
| 2021-2022 | Univ. of Ottawa | USports | 18 | 6 | 7 | 13 | 14 | | | Playoffs | 1 | 0 | 0 | 0 | 12 |
| Laval Rocket | AHL | 8 | 1 | 2 | 3 | 4 | | | |||||||
| 2022-2023 | Villacher SV | Champions HL | 6 | 2 | 1 | 3 | 2 | | | ||||||
| Villacher SV | ICEHL | 46 | 12 | 30 | 42 | 20 | | | Playoffs | 5 | 0 | 1 | 1 | 6 | |
| 2023-2024 | Straubing Tigers | DEL | 52 | 16 | 30 | 46 | 36 | | | Playoffs | 12 | 1 | 6 | 7 | 6 |
| 2024-2025 | Toronto Marlies | AHL | 22 | 0 | 4 | 4 | 8 | | | ||||||
| 2025-2026 | Adler Mannheim | DEL | 24 | 9 | 12 | 21 | 14 | | |
Nicolas Mattinen (* 05. März 1998 in Ottawa, ON, CAN) ist ein kanadischer Eishockeyspieler.
