Bush is an unincorporated community in northeastern St. Tammany Parish, Louisiana, United States.

Bush is on Louisiana Highway 21 south of Sun connecting to Bogalusa .

Highway 21 crosses the Bogue Chitto River approximately 1.45 miles (2.33 km) north of town.

[3] Fifth Ward Junior High School in unincorporated St. Tammany Parish serves K-8.

[5] The Bush Branch of the St. Tammany Parish Library serves local residents.