| Official Name: | Alder, Colorado |
| Settlement Type: | Town |
| Pushpin Map: | Colorado#USA |
| Pushpin Map Caption: | Location in Colorado##Location in the United States |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Saguache |
| Unit Pref: | Imperial |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 38.3694°N -106.0394°W |
| Elevation Ft: | 8544 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 189960 |
Alder is an extinct town located in Saguache County, Colorado, United States.
The Alder post office operated from August 29,1881, until November 30, 1927.[1] The community takes its name from nearby Alder Creek.[2]