| Type: | town |
| Mount Tomah | |
| State: | NSW |
| Pop: | 76 (Census Data 2016) |
| Postcode: | 2758 |
| Elevation: | 991 |
| Lga: | Blue Mountains City |
| Stategov: | Blue Mountains |
| Fedgov: | Macquarie |
| Near-N: | Mount Irvine |
| Near-Ne: | Berambing |
| Near-W: | Mount Banks |
| Near-E: | Berambing |
| Near-Sw: | Blue Mountains National Park |
| Near-S: | Blue Mountains National Park |
| Near-Se: | Blue Mountains National Park |
| Dist1: | 103 |
| Dir1: | west |
| Location1: | Sydney CBD |
| Dist2: | 38 |
| Dir2: | east |
| Location2: | Lithgow |
| Mount Tomah | |
| Map: | Australia New South Wales |
| Map Relief: | 1 |
| Map Size: | 250 |
| Location: | Blue Mountains, New South Wales, Australia |
| Label Position: | left |
| Elevation M: | 1016 |
| Parent Peak: | Bell Range |
| Coordinates: | -33.55°N 175°W |
Mount Tomah is a locality and a mountain that is located in the Blue Mountains region of the state of New South Wales, Australia. The locality is known for the Blue Mountains Botanic Garden on the Bells Line of Road.
The village of Mount Tomah is located approximately west of Richmond, on the Bells Line of Road. Its most distinguished feature, the Blue Mountains Botanic Garden, is located on the north side of that road. The garden was established in 1972. Apart from the gardens, the area is a low-density residential area. The fertile soils are derived from volcanic activity.The peak of Mount Tomah is above sea level.
Mount Tomah has a number of heritage-listed sites, including: