| Official Name: | Richdale |
| Pushpin Map: | Minnesota#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Otter Tail |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1401 |
| Coordinates: | 46.5547°N -95.475°W |
| Area Code: | 218 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 654904 |
Richdale is an unincorporated community in Otter Tail County, in the U.S. state of Minnesota.
Richdale was platted in 1899, and named for Watson Wellman Rich, a railroad engineer.[1] A post office was established at Richdale in 1900, and remained in operation until it was discontinued in 1916.[2]