| Birth Date: | 3 July 1747 |
| Birth Place: | Tarbes, Hautes-Pyrénées, France |
| Rank: | Général de division |
| Allegiance: | |
| Branch: | French Royal Army |
| Battles: | French Revolutionary Wars Napoleonic Wars |
| Awards: | Legion of Honour (Grand Officier) Order of Saint Louis (Knight) |
Jean, comte Dembarrère (3 July 1747 – 3 March 1828) was a French general and engineer during the French Revolutionary and Napoleonic Wars.
Born into a noble family in Tarbes (Hautes-Pyrénées), Dembarrère entered the École royale du génie de Mézières in 1768.
A military engineer, he was head of engineering for the Army of Italy. He was a later a member of the Sénat conservateur which deposed Napoleon and restored the Bourbons.
He was a grand officer of the Legion of Honour and a knight of the Order of Saint Louis. His name is one of the 660 inscribed under the Arc du Triomphe.