| Little Diamond Peak | |
| Elevation Ft: | 11272 |
| Prominence Ft: | 872 |
| Parent Peak: | Big Boy Peak |
| Location: | Butte County, Idaho, U.S. |
| Range: | Lemhi Range |
| Map: | USA Idaho |
| Map Width: | 240 |
| Coordinates: | 44.0764°N -113.0697°W |
| Topo: | USGS Fallert Springs |
Little Diamond Peak, at 11272feet above sea level, is a mountain in the Lemhi Range of Idaho, United States. The peak is located in Butte County on the border of Caribou-Targhee National Forest and Salmon-Challis National Forest. It is 1.8miles south of Shoshone John Peak and 2.8miles south of Big Boy Peak, its line parent. It is the 68th highest peak in Idaho.[1]