| Official Name: | Quandahl, Iowa |
| Pushpin Map: | Iowa |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Allamakee |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 823 |
| Coordinates: | 43.45°N -91.6067°W |
| Area Code: | 563 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 460480 |
Quandahl is an unincorporated community in Allamakee County, Iowa, United States.
Quandahl was founded in the northwestern corner of the county; the community's post office opened in 1877 and closed in 1906.[1]
Quandahl's population was 28 in 1902,[2] and was 42 in 1925.[3] The population was 60 in 1940.[4]
The community is adjacent to the Bear Creek Public Access area.