| Jason Berthomier | |
| Birth Date: | 6 January 1990 |
| Birth Place: | Montluçon, France |
| Height: | 1.75 m |
| Position: | Midfielder |
| Years1: | 2008–2009 |
| Clubs1: | Montluçon |
| Caps1: | 6 |
| Goals1: | 0 |
| Years2: | 2009–2010 |
| Clubs2: | AS Domérat |
| Caps2: | 13 |
| Goals2: | 1 |
| Years3: | 2010–2014 |
| Clubs3: | Moulins |
| Caps3: | 110 |
| Goals3: | 31 |
| Years4: | 2014–2017 |
| Clubs4: | Bourg-Péronnas |
| Caps4: | 56 |
| Goals4: | 10 |
| Years5: | 2017–2018 |
| Clubs5: | Stade Brest |
| Caps5: | 30 |
| Goals5: | 6 |
| Years6: | 2018–2019 |
| Clubs6: | Troyes |
| Caps6: | 11 |
| Goals6: | 0 |
| Years7: | 2019–2022 |
| Clubs7: | Clermont |
| Caps7: | 109 |
| Goals7: | 13 |
| Years8: | 2022–2023 |
| Clubs8: | Valenciennes |
| Caps8: | 23 |
| Goals8: | 2 |
| Years9: | 2023–2024 |
| Clubs9: | Newcastle Jets |
| Caps9: | 7 |
| Goals9: | 0 |
| Club-Update: | 29 April 2024 |
Jason Berthomier (born 6 January 1990) is a French professional footballer who plays as a midfielder.
Berthomier began his career at hometown club Montluçon in 2008 before dropping into regional football with AS Domerat during the 2009–10 season. He subsequently spent four seasons with Moulins of the Championnat de France amateur, where he scored 31 goals in 110 league matches, before joining Bourg-Péronnas in the summer of 2014. In his first season with the club he was a regular starter as the team won promotion to Ligue 2, the second highest division of French football, for the first time in their history.
In August 2023, Berthomier signed for A-League club Newcastle Jets.[1]