This is a list of current and former Catholic churches of the Archdiocese of Baltimore. As of 2024, the archdiocese had 153 active parishes and missions.
The archdiocese covers Baltimore and nine counties in central and western Maryland: Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Garrett, Harford, Howard, and Washington.
The cathedral church of the archdiocese is the Cathedral of Mary Our Queen, consecrated in Baltimore in 1959. The archdiocese also includes the Basilica of the National Shrine of the Assumption of the Blessed Virgin Mary, built in Baltimore between 1806 and 1863, based on a design by Benjamin Henry Latrobe.
As the home to the first American-born saint, Elizabeth Ann Seton, the archdiocese also includes several sites associated with her life and works:
Some churches with Baltimore street addresses are listed by the archdiocese as being in Baltimore County.