St. Joseph's Catholic Church, also commonly known as St. Joseph's on Capitol Hill, is a parish of the Roman Catholic Church in the Capitol Hill neighborhood of Washington, D.C., in the Archdiocese of Washington.

On October 25, 1868 when a reported crowd of 20,000 people, including President Andrew Johnson, came to lay the cornerstone.

[2] The church was constructed of brown stone from Hershey, Pennsylvania and cost $75,000 to build.

[1] Masses were originally said in Latin (as it was everywhere before 1964) with homilies in German until Italian immigrant stonemasons working on expansion of the Capitol began joining the congregation.

[8] In 2017, the church began holding an annual "Gold Mass" for congressional staffers.