| Mount Derby | |
| Elevation M: | 1658 |
| Prominence M: | 548 |
| Location: | Vancouver Island, British Columbia, Canada |
| District: | Rupert Land District |
| Range: | Vancouver Island Ranges |
| Coordinates: | 50.4381°N -126.5394°W |
| Topo Maker: | NTS |
| First Ascent: | 1931 GJ Jackson survey party |
Mount Derby is a mountain on Vancouver Island, British Columbia, Canada, located 240NaN0 southeast of Telegraph Cove and 140NaN0 northwest of Mount Russell.[1]