Pennsylvania's 31st congressional district

Pennsylvania's 31st congressional district was one of Pennsylvania's districts of the United States House of Representatives. It existed from 1903 to 1953.

Created in 1903, the district served portions of the city of Pittsburgh. The district later expanded to serve portions of Allegheny County

During the 58th Congress, the district served Pittsburgh Wards 1-19 and Ward 23.

During the 81st Congress, the district served Wards 19, 20, 28, 29, 30, and 32 in Pittsburgh and the following portions of Allegheny County.

This district was created in 1903, then eliminated in 1953.