| Type: | suburb |
| Lower Macdonald | |
| City: | Sydney |
| State: | nsw |
| Local Map: | yes |
| Zoom: | 12 |
| Lga: | City of Hawkesbury |
| Postcode: | 2775 |
| Coordinates: | -33.3653°N 150.9511°W |
| Alternative Location Map: | Australia Hunter Central Coast |
| Pop: | 261 |
| Dist1: | 78 |
| Location1: | Sydney CBD |
| Stategov: | Hawkesbury |
| Fedgov: | Macquarie |
| Near-Nw: | St Albans |
| Near-N: | Central Macdonald |
| Near-Ne: | Kulnura |
| Near-W: | Colo Heights |
| Near-E: | Gunderman and Wisemans Ferry |
| Near-Sw: | Webbs Creek |
| Near-S: | Maroota |
| Near-Se: | Laughtondale |
Lower Macdonald is a hamlet village of Sydney, in the state of New South Wales, Australia. It is in the City of Hawkesbury north-west of Wisemans Ferry on the Macdonald River near its confluence with the Hawkesbury River.
The population of Lower Macdonald at the was 261.