| Honorific Prefix: | Count |
| Louis-Gabriel de Gomer | |
| Native Name: | Louis-Gabriel, comte de Gomer |
| Native Name Lang: | French |
| Birth Date: | 25 February 1718 |
| Birth Place: | Quevauvillers, Kingdom of France |
| Death Place: | Dieuze, France |
| Allegiance: | Kingdom of France |
| Serviceyears: | 1730-1789 |
| Rank: | Marshal General of France |
| Awards: | Commandeur de l'ordre de Saint-Louis |
Louis-Gabriel de Gomer (February 25, 1718 - July 30, 1798) was a French military officer, and inventor of the Gomer mortar. He was Marshal General of France (fr|Maréchal des camps et armées du roi|link=no) and a Commander of the Order of Saint Louis in 1789, when he was elected as Deputy of the Estate General for Sarreguemines. He served as a member of the military committee until November 1789, when he resigned.