| Jean-Jacques Crenca | |
| Birth Name: | Jean-Jacques Crenca |
| Birth Date: | 3 April 1969 |
| Birth Place: | Marmande, France |
| Height: | 1.8m (05.9feet) |
| Weight: | 16.6st |
| Ru Currentteam: | retired |
| Ru Position: | Prop |
| Youthyears1: | |
| Ru Clubyears: | 1993-2006 2006-2007 |
| Ru Proclubs: | SU Agen Toulon |
| Ru Clubupdate: | 11 July 2014 |
| Super14years: | |
| Ru Nationalyears: | 1996-2004 |
| Ru Nationalteam: | France |
| Ru Nationalcaps: | 39 |
| Ru Nationalpoints: | (20) |
| Ru Ntupdate: | 11 July 2014 |
| Repsevensyears1: | |
Jean-Jacques Crenca (born 3 April 1969) is a French rugby player.
Crenca was born in Marmande, Aquitaine. He played for SU Agen before moving to RC Toulon for the 2006/07 season. He was a member of France's 2003 Rugby World Cup squad playing at prop.