| Julien Ielsch | |
| Birth Date: | 5 March 1983 |
| Birth Place: | Belfort, France |
| Height: | 1.72 mm |
| Position: | Defender |
| Years1: | 2002–2004 |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2004–2005 |
| Caps2: | 28 |
| Goals2: | 2 |
| Years3: | 2005–2010 |
| Caps3: | 131 |
| Goals3: | 1 |
| Years4: | 2010–2013 |
| Caps4: | 87 |
| Goals4: | 1 |
| Years5: | 2012 |
| Caps5: | 1 |
| Goals5: | 0 |
| Years6: | 2013–2015 |
| Caps6: | 60 |
| Goals6: | 1 |
| Years7: | 2015–2018 |
| Caps7: | 61 |
| Goals7: | 3 |
| Totalcaps: | 368 |
| Totalgoals: | 8 |
Julien Ielsch (born 5 March 1983) is a French former professional footballer who played as a defender.
He played on the professional level in Swiss Super League for Neuchâtel Xamax and in Ligue 2 for Stade Reims.