South Fork

South Fork may refer to:

In Canada

 * South Fork, Saskatchewan

In the United States

 * Big South Fork National River and Recreation Area, in northeastern Tennessee and southeastern Kentucky
 * South Fork, Madera County, California
 * South Fork, Colorado
 * South Fork, Missouri
 * South Fork, Nevada
 * South Fork, Pennsylvania
 * South Fork, Wisconsin, a town
 * South Fork (community), Wisconsin, an unincorporated community
 * South Fork Township (disambiguation)

In rivers

 * Big South Fork of the Cumberland River
 * South Fork American River
 * South Fork Eel River
 * South Fork Grand River (South Dakota)
 * South Fork Holston River
 * South Fork John Day River
 * South Fork Musselshell River
 * South Fork Rio Grande
 * South Fork Shenandoah River
 * South Fork Spring River
 * South Fork Trinity River

In other uses

 * South Fork, Suffolk County, New York, a peninsula
 * South Fork Dam, a dam in Pennsylvania
 * South Fork Fishing and Hunting Club
 * South Fork High School, a public high school in Stuart, Florida