| Official Name: | Gardner, Colorado |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Colorado |
| Pushpin Label: | Gardner |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the Gardner CDP in the State of Colorado. |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Huerfano County |
| Government Type: | unincorporated town |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.403 |
| Area Land Km2: | 6.403 |
| Area Water Km2: | 0.000 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 106 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 37.7889°N -105.1644°W |
| Elevation Ft: | 7021 |
| Postal Code Type: | ZIP Code[3] |
| Postal Code: | 81040 |
| Area Code: | 719 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2805922 |
Gardner is a census-designated place (CDP) and post office in and governed by Huerfano County, Colorado, United States. The Gardner post office has the ZIP Code 81040.[3] At the United States Census 2020, the population of the Gardner CDP was 106.
The Gardner Post Office has been in operation since 1871.[4] The community has the name of Herbert Gardner, a local pioneer.[5] Herbert was the son of Henry Gardner.
The Gardner CDP has an area of 6.403km2, all land.[1]
The United States Census Bureau defined the for the