Belmont is an unincorporated community and census-designated place in Sabine Parish, Louisiana, United States. As of the 2020 census, Belmont had a population of 305. The community is located at the junction of Louisiana highways 120 and 175.
According to the U.S. Census Bureau, the community has an area of , all land.
Belmont first appeared as a census designated place in the 2010 U.S. census.