| Official Name: | Lemmon Valley, Nevada |
| Settlement Type: | Census-designated place |
| Mapsize: | 250x200px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nevada |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 44.39 |
| Area Land Km2: | 41.29 |
| Area Water Km2: | 3.10 |
| Area Total Sq Mi: | 17.14 |
| Area Land Sq Mi: | 15.94 |
| Area Water Sq Mi: | 1.20 |
| Population As Of: | 2020 |
| Population Total: | 4987 |
| Population Density Km2: | 120.77 |
| Population Density Sq Mi: | 312.80 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 4990 |
| Coordinates: | 39.6639°N -119.8269°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 89506 |
| Blank Name: | FIPS code |
| Blank Info: | 32-41800 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2652366 |
Lemmon Valley is a census-designated place (CDP) in Washoe County, Nevada, United States. The population was 5,040 at the 2010 census.[2] It is a northern suburb of the city of Reno and is part of the Reno - Sparks Metropolitan Statistical Area. Prior to 2010 it was listed by the U.S. Census Bureau as part of the Lemmon Valley–Golden Valley CDP.
Lemmon Valley is located at 39.6639°N -119.8269°W (39.6638, -119.8270),[3] some north of downtown Reno. Golden Valley is adjacent to the south.
According to the United States Census Bureau, the CDP has a total area of 47.6km2, of which 44.5sqkm is land and 3.1sqkm, or 6.57%, is water,[2] consisting mainly of the Swan Lake Nature Study Area, a small wetland conservation area home to many bird species.