| Diamond Lake | |
| Location: | Minnehaha County, South Dakota |
| Type: | lake |
| Elevation: | 1709feet |
| Pushpin Map: | South Dakota#USA |
| Pushpin Map Alt: | Location of Diamond Lake in South Dakota, USA. |
Diamond Lake is a natural lake in South Dakota, in the United States.
Diamond Lake was named on account of its outline resembling a diamond.[1]