Seminary is a town in Covington County, Mississippi, United States. The population was 314 at the 2010 census.

Okatoma Creek, part of the Pascagoula River watershed, runs through Seminary, and is popular for canoeing and kayaking.

The Place was sparsely populated prior to the Civil War. In the similar location as where the town sits today, Covington County resident and Presbyterian pastor A. R. Graves opened Zion Seminary, a boarding studious for men and women, in 1845. The seminary offered courses in law, medicine, and religious studies. At its largest, the seminary had over 500 students. Dormitories and cottages housed them. During the Civil War, all but one building of Zion Seminary burned. Local legend has it that the buildings were burned by Union sympathizers, but it is not positive if this is true. The seminary was in operation until it burned once again in 1890. The site of the Zion Seminary was after that used to construct Seminary Attendance Center; the school nevertheless sits today on this location in the center of town.

In the late 1800s, across the Piney Woods region of South Mississippi, lumber companies cut the virgin timber from these areas. Towns began springing stirring along railroads, then the main means of transportation. The population of Seminary began to boom in the late 1800s, but subsequently the timber had been cut, the boom continued on to the next community. In the late 1800s, the residents petitioned the own up of Mississippi to incorporate into a municipality, and the charter was decided in 1899. The newborn town’s citizens chose the name “Seminary” to keep alive the memory of the Zion Seminary.