List of churches in the Roman Catholic Diocese of Arlington

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This is a list of current and former Roman Catholic churches in the Roman Catholic Diocese of Arlington. The diocese includes approximately 80 churches divided into seven deaneries across the 21 northernmost counties and independent cities within the Commonwealth of Virginia. The cathedral church of the diocese is the Cathedral of St. Thomas More in Arlington.

Deanery I
This deanery contains parishes in Arlington, McLean and Falls Church.

Deanery II
This deanery contains parishes in Alexandria, Annandale and other communities.

Deanery III
This deanery contains parishes in Reston and other communities.

Deanery IV
This deanery contains parishes in the Shenandoah Valley.

Deanery V
This deanery contains parishes in Manassas and other communities.

Deanery VI
This deanery contains parishes in Chantilly, Fairfax, Vienna and Clifton

Deanery VII
This deanery contains parishes in Fredericksburg, Hague and other communities.