Saint Bernard (/ˈseɪnt bərˈnɑrd/; Spanish: San Bernardo [ˈsãm ˈbɛɾ.ˈnaɾ.ðo]) 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 8 miles (13 km) southeast of Chalmette. Saint Bernard is home to four sites on the National Register of Historic Places: the , the Kenilworth Plantation House, , and the .