| Mount Tomamu | |
| Other Name: | トマム山 |
| Elevation M: | 1239.3 |
| Listing: | List of mountains and hills of Japan by height |
| Location: | Hokkaidō, Japan |
| Range: | Hidaka Mountains |
| Coordinates: | 43.0786°N 142.5961°W |
| Topo: | 25000:1 下トマム, 50000:1 落合 |
| Type: | Fold (geology) |
is located in the Hidaka Mountains, Hokkaidō, Japan. It is the site of the Alpha Resort Tomamu, a ski resort.