South Branch

South Branch may refer to:

Populated places

 * South Branch, Minnesota, an unincorporated community in Watonwan County
 * South Branch, Michigan, an unincorporated community in Ogemaw County
 * South Branch, New Brunswick, Canada
 * South Branch, New Jersey, an unincorporated community in Somerset County

Waterways

 * South Branch (New York), a stream in Herkimer County
 * South Branch Newport Creek, a tributary of Newport Creek in Luzerne County, Pennsylvania
 * South Branch Raritan River, a tributary of the Raritan River in New Jersey
 * South Branch of the Chicago River

Other uses

 * (transportation) South Branch, a Norfolk Southern Railway line