The Seneca Historic District is a national historic district located at Poolesville, Montgomery County, Maryland.

The district comprises 3,850 acres (1,560 ha) of federal, state, and county parkland and farmland in which 15 historic buildings are situated.

There are slave quarters, smokehouses, springhouses, corn cribs, and tobacco barns.

[3] It was listed on the National Register of Historic Places in 1978.

This article about a Registered Historic Place in Montgomery County, Maryland is a stub.