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 South Branch, Newfoundland and Labrador, Canada

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

See also

South Branch Township (disambiguation)