| Official Name: | Port Allen, Iowa |
| Pushpin Map: | Iowa#USA |
| Pushpin Label: | Port Allen |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Muscatine |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 607 |
| Coordinates: | 41.338°N -91.351°W |
| Area Code: | 319 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 465523 |
Port Allen is an unincorporated community in Iowa, United States, located along the Louisa-Muscatine County line on Iowa Highway 70. It was formerly a thriving town, but today is merely a housing sub-division.
Port Allen was platted in 1871 by Cyril Carpenter.[1]