Calhoun is an unincorporated community and census-designated place in Ouachita Parish, Louisiana, United States. It is named after Archibald Calhoun, who was an original settler and landowner. Its elevation is 177 feet, and it is located at 32°30′46″N 92°21′31″W. Calhoun is unincorporated and is governed by the parish through a board of commissioners known as the Police Jury.