| Mount Toyoni | |
| Other Name: | トヨニ岳 |
| Elevation M: | 1493 |
| Listing: | List of mountains and hills of Japan by height |
| Location: | Hokkaidō, Japan |
| Range: | Hidaka Mountains |
| Coordinates: | 42.3628°N 143.0061°W |
| Topo: | 25000:1 トヨニ岳, 50000:1 上豊似 |
| Type: | Fold |
is located in the Hidaka Mountains, Hokkaidō, Japan.