List of parishes in the Roman Catholic Archdiocese of Washington

The following is a list of parishes in the Roman Catholic Archdiocese of Washington.

Parishes of the archdiocese located in Montgomery County, Maryland.

Parishes of the archdiocese located in Prince George's County, Maryland.

Parishes of the archdiocese located in Calvert County, Charles County, and St. Mary's County of Southern Maryland.

Parishes of the archdiocese located in Washington, D.C.

Old St Mary Church, Rockville MD. Built in 1817. 39°04′56″N 77°08′42″W  /  39.082166°N 77.144964°W  / 39.082166; -77.144964
Old Sacred Heart Church, Bowie, MD 38°58′59″N 76°43′10″W  /  38.98304°N 76.71951°W  / 38.98304; -76.71951
Front view of Old Most Holy Rosary Church, Rosaryville, MD 38°45′25″N 76°48′41″W  /  38.756985°N 76.811449°W  / 38.756985; -76.811449
Front view of Old St Mary Church, Piscataway, MD 38°42′16″N 76°58′01″W  /  38.704375°N 76.967066°W  / 38.704375; -76.967066
Historic St. Ignatius , located in St. Inigoes , St. Mary's County , Maryland , was the First Catholic parish in English speaking North America.
38°09′01″N 76°25′26″W  /  38.150327°N 76.423943°W  / 38.150327; -76.423943
St. Aloysius was a parish church from 1859 until 2012 when it was merged with Holy Redeemer parish. 38°54′06″N 77°00′34″W  /  38.901559°N 77.009452°W  / 38.901559; -77.009452