St. Mary's School (Connecticut)

The Archdiocese of Hartford (Latin: Archidioecesis Hartfortiensis) is an archdiocese of the Catholic Church in Connecticut in the United States. It is a metropolitan see. The other dioceses in its ecclesiastical province are Bridgeport, Norwich, and Providence.

It was established as the Diocese of Hartford in 1843. The mother church of the Archdiocese of Hartford is the Cathedral of Saint Joseph in Hartford. It covers Hartford, Litchfield and New Haven counties. Christopher J. Coyne is the archbishop.