| Official Name: | Alpha, Iowa |
| Settlement Type: | unincorporated community |
| Mapsize: | 250x200px |
| Pushpin Map: | Iowa |
| Pushpin Label: | Alpha |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location of Alpha within the state of Iowa |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Fayette County |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 317 |
| Elevation Ft: | 1040 |
| Coordinates: | 42.9967°N -92.0478°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 52171 |
| Area Code: | 563 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 454149 |
Alpha is an unincorporated community in Fayette County, Iowa, United States. It is located on Johnsons Mill Road near County Road V68, three miles south of Waucoma, at 42.995718N, -92.047995W,[1] where Johnsons Mill Road crosses Crane Creek.
Alpha was founded in May 1871. It was named Alpha, the first letter of the Greek alphabet, because it was the first community on Crane Creek.[2]
Alpha's population was 100 in 1925.[3] The population was 119 in 1940.[4]