Mount Washington is a neighborhood in Pittsburgh, Pennsylvania's south city area. It has a Zip Code of 15211 and has representation on Pittsburgh City Council by both the council members for District 3 and District 2.

Chatham Village is a community within the larger Mount Washington neighborhood of the city of Pittsburgh, Pennsylvania, and an internationally acclaimed model of community design. It is roughly bounded by Virginia Avenue, Bigham Street, Woodruff Street, Saw Mill Run Boulevard, and Olympia Road, and was declared a National Historic Landmark in 2005 as a remarkably well-preserved example of Garden City Movement design.