Leming is a census-designated place (CDP) in Atascosa County, Texas, United States. As of the 2020 census, Leming had a population of 841. This was a new CDP for the 2010 census. The community is part of the San Antonio Metropolitan Statistical Area. Leming has a post office, with the ZIP code 78050.
According to the United States Census Bureau, the CDP has a total area of , all land.
Leming was first appeared as a census designated place in the 2010 U.S. census.