South River
- Delaware River
- Koksoak River
- List of rivers of Massachusetts
- Rong River (Guangdong)
- South (disambiguation)
- South River (Darien River tributary)
- South River (Great Egg Harbor River tributary)
- South River (Iowa)
- South River (Maryland)
- South River (Mattaponi River tributary)
- South River (Maury River tributary)
- South River (Neuse River estuary)
- South River (North Carolina)
- South River (Ocmulgee River tributary)
- South River (Ontario)
- South River (Ossipee River tributary)
- South River (Rapidan River tributary)
- South River (Raritan River tributary)
- South River (South Fork Shenandoah River tributary)
- South River, Maryland
- South River, New Jersey
- South River, Newfoundland and Labrador
- South River, Ontario
- Southern River (disambiguation)