Sondheimer is an unincorporated community in East Carroll Parish, Louisiana, United States.

The community is located on U.S. Route 65, 17.5 miles (28.2 km) south of Lake Providence.

Sondheimer has a post office with ZIP code 71276.

[2][3] Sondheimer was named for Emanuel Sondheimer, founder of the Chicago-based lumber company that purchased the original tracts of timberland that became the community.

This Louisiana state location article is a stub.