| Nelson Lake | |
| Location: | Mojave Desert San Bernardino County, California |
| Coords: | 35.4308°N -116.7755°W |
| Lake Type: | Endorheic basin |
| Outflow: | Terminal |
| Basin Countries: | United States |
| Length: | 3km (02miles) |
| Width: | 2km (01miles) |
| Shore: | 30km (20miles) |
| Elevation: | 937m (3,074feet) |
| Pushpin Map: | California#USA |
| Pushpin Map Alt: | Location of Nelson Lake in California, USA. |
Nelson Lake is a dry lake in the Mojave Desert of San Bernardino County, California, 67km (42miles) northeast of Barstow. The lake is approximately 3km (02miles) by 2km (01miles) at its widest point.
Nelson Lake is on federal lands within the borders of the Fort Irwin Military Reservation, southwest of the Granite Mountains.