The Washington County Courthouse is located in downtown Washington, Pennsylvania, United States. It was listed on the National Register of Historic Places on July 30, 1974. It is designated as a historic public landmark by the Washington County History & Landmarks Foundation.

On April 14, 1980, during the Presidential primary, Vice President Walter Mondale visited the courthouse for a campaign rally, calling out Democratic foe Ted Kennedy.

See also

• National Register of Historic Places listings in Washington County, Pennsylvania
• List of state and county courthouses in Pennsylvania