| Christian Demuynck | |
| Office: | Mayor of Neuilly-Plaisance |
| Term Start: | 13 March 1983 |
| Predecessor: | André Macé |
| Office2: | Member of the French Senate for Seine-Saint-Denis |
| Term Start2: | 24 September 1995 |
| Term End2: | 30 September 2011 |
| Birth Date: | 24 July 1947 |
| Birth Place: | Le Perreux-sur-Marne, France |
| Party: | UMP |
| Profession: | Teacher |
Christian Demuynck (born 24 July 1947) was a member of the Senate of France. He represented the Seine-Saint-Denis department and is a member of the Union for a Popular Movement Party.