| Official Name: | Alfalfa, Alabama |
| Pushpin Map: | Alabama#USA |
| Pushpin Label: | Alfalfa |
| Coordinates: | 32.5104°N -87.7645°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name: | United States |
| Subdivision Name1: | Alabama |
| Subdivision Name2: | Marengo |
| Elevation Ft: | 144 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Area Code: | 334 |
Alfalfa was an unincorporated community in Marengo County, Alabama, United States. It has since been annexed into the adjacent city of Demopolis. Alfalfa had a post office at one time, but it no longer exists. The settlement was originally named "Van Dorn" in honor of General Earl Van Dor
Alfalfa is located at 32.5104°N -87.7645°W and has an elevation of 144feet.
Alfalfa never reported a population figure separately on the U.S. Census as an unincorporated community on the U.S. Census according to the census returns from 1850[2] -2010.[3] It has since been annexed into Demopolis.