| Saint Bernard | |
| Native Name: | San Bernardo (Spanish) |
| Coordinates: | 29.8672°N -89.8586°W |
| Established Title: | Established |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Louisiana |
| Subdivision Type2: | Parish |
| Subdivision Name2: | St. Bernard Parish |
| Subdivision Type3: | MCD |
| Subdivision Name3: | District E---- |
| Subdivision Type4: | Historic colonies |
| Subdivision Name4: | Louisiana (New Spain) Louisiana (New France) |
| Pushpin Map: | Louisiana#USA |
| Named For: | patron saint of Bernardo de Gálvez |
| Timezone1: | Central |
| Timezone Dst: | Central |
| Utc Offset Dst: | −5 |
| Utc Offset: | −6 |
| Settlement Type: | Unincorporated community |
| Established Date: | 1783 |
| Population Demonym: | tornero, -ra |
| Postal Code Type: | ZIP code |
| Postal Code: | 70085 |
| Area Code: | 504 |
| Pushpin Label: | Saint Bernard |
| Elevation Ft: | 3 |
| Blank1 Name Sec1: | GNIS feature ID |
| Native Name Lang: | es |
Saint Bernard (Spanish; Castilian: San Bernardo pronounced as /es/) is an unincorporated community in St. Bernard Parish, Louisiana, United States. The community is located on Louisiana State Highway 300, east of the Mississippi River and 8miles southeast of Chalmette.
Saint Bernard is home to four sites on the National Register of Historic Places: the Dr. Louis A. Ducros House, the Kenilworth Plantation House, Magnolia Mound, and the Sebastopol Plantation House.