| Grand Prairie | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Louisiana |
| Pushpin Map Caption: | Location within the state of Louisiana |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Louisiana |
| Subdivision Type2: | Parish |
| Subdivision Name2: | St. Landry |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 30.6833°N -92.1475°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Grand Prairie is an unincorporated community in St. Landry Parish, Louisiana, United States. It is the location of two historic houses that are listed on the National Register of Historic Places: the LaFleur House and the Alexandre Fontenot fils House.
The famous St. Landry Parish Sheriff Cat Doucet was born in Grand Prairie in 1899.