Longville is a census-designated place in Beauregard Parish, Louisiana, United States. As of the 2020 census, Longville had a population of 545. Longville has four schools: South Beauregard Lower Elementary, South Beauregard Upper Elementary, South Beauregard Junior High, and South Beauregard High School, which are all on one campus.
Longville was first listed as a census designated place in the 2010 U.S. census.