| Official Name: | Bywy, Mississippi |
| Pushpin Map: | Mississippi#USA |
| Pushpin Label: | Bywy |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Mississippi |
| Subdivision Type2: | County |
| Subdivision Name2: | Choctaw |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 436 |
| Coordinates: | 33.4372°N -89.2411°W |
| Postal Code Type: | ZIP code |
| Area Code: | 662 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 667894 |
Bywy is an unincorporated community in Choctaw County, Mississippi, United States. Variant names are "Biwyah" and "Wise Store".
A post office called Bywy was established in 1880, and remained in operation until 1903.[1] The community takes its name from Bywy Creek.[2]