| Jonathan Jäger | |
| Birth Date: | 23 May 1978 |
| Birth Place: | Metz, France |
| Height: | 1.72 m |
| Position: | Striker |
| Youthclubs1: | Ban-St.Martin |
| Youthyears2: | –1996 |
| Youthclubs2: | Metz |
| Years1: | 1996–2004 |
| Clubs1: | Metz |
| Caps1: | 125 |
| Goals1: | 33 |
| Years2: | 1999–2000 |
| Clubs2: | → Louhans-Cuiseaux (loan) |
| Caps2: | 25 |
| Goals2: | 13 |
| Years3: | 2004–2006 |
| Clubs3: | Le Havre |
| Caps3: | 36 |
| Goals3: | 5 |
| Years4: | 2006–2007 |
| Clubs4: | FC Saarbrücken |
| Caps4: | 34 |
| Goals4: | 17 |
| Years5: | 2007–2011 |
| Clubs5: | SC Freiburg |
| Caps5: | 82 |
| Goals5: | 10 |
| Years6: | 2011–2013 |
| Clubs6: | F91 Dudelange |
| Caps6: | 13 |
| Goals6: | 4 |
| Years7: | 2013–2014 |
| Clubs7: | CSO Amnéville |
| Caps7: | 35 |
| Goals7: | 8 |
| Totalcaps: | 350 |
| Totalgoals: | 90 |
Jonathan Jäger (born 23 May 1978) is a French former professional footballer who played as a striker.
Jäger joined Freiburg from 1. FC Saarbrücken in 2007, after finishing as joint top-scorer in the Regionalliga Süd (III) for the season.[1]