| Diamond Valley, Utah | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Utah#USA |
| Pushpin Label: | Diamond Valley |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location of Diamond Valley within the State of Utah |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Utah |
| Subdivision Type2: | County |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 4547 |
| Coordinates: | 37.2519°N -113.6114°W |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1440452 |
Diamond Valley is an unincorporated community in Washington County in the U.S. state of Utah. It is located in the geophysical feature of the same name.
As of 2010, the buildings are almost entirely residential, surrounded by large tracts of government-owned land used for grazing livestock.[1] It includes part of Snow Canyon State Park that features an extinct volcanic cinder cone.