| Type: | suburb |
| Belmont South | |
| City: | Newcastle |
| State: | nsw |
| Alternative Location Map: | Australia Hunter Central Coast |
| Zoom: | 11 |
| Lga: | City of Lake Macquarie |
| Postcode: | 2280 |
| Pop: | 1,053 |
| Elevation: | 4 |
| Area: | 2.2 |
| Parish: | Kahibah |
| Stategov: | Swansea |
| Fedgov: | Shortland |
| Dist1: | 134 |
| Dir1: | NNE |
| Location1: | Sydney |
| Dist2: | 21 |
| Dir2: | SW |
| Location2: | Newcastle |
| Dist3: | 5 |
| Dir3: | N |
| Location3: | Swansea |
| Dist4: | 43 |
| Dir4: | NNE |
| Location4: | The Entrance |
| Dist5: | 64 |
| Dir5: | NNE |
| Location5: | Gosford |
| Near-Nw: | Lake Macquarie |
| Near-N: | Belmont |
| Near-Ne: | Belmont |
| Near-W: | Lake Macquarie |
| Near-E: | Pacific Ocean |
| Near-Sw: | Marks Point |
| Near-S: | Blacksmiths |
| Near-Se: | Pacific Ocean |
Belmont South is a suburb of the City of Lake Macquarie in New South Wales, Australia, located 21km (13miles) southwest of Newcastle's central business district on the eastern side of Lake Macquarie.