List of churches in the Roman Catholic Archdiocese of Boston

This is a list of current and former Roman Catholic churches in the Roman Catholic Archdiocese of Boston. The archdiocese includes more than 300 churches. The cathedral church of the diocese is the Cathedral of Holy Cross. The archdiocese is divided into five regions as follows:
 * Central Region: covering the cities of Boston and Cambridge
 * Merrimack Region: covering the Merrimack Valley region of Essex and Middlesex Counties (including Lowell) in the northernmost section of the archdiocese
 * North Region: covering the North Shore and the inner inland northern suburbs (“Metro-North”). Includes portions of Essex, Middlesex, and Suffolk Counties (Lynn, Salem, and Woburn).
 * South Region: covering the South Shore and some adjacent inland areas, in Norfolk and Plymouth Counties (including Plymouth, Quincy, and Weymouth) located in the southernmost section of the archdiocese
 * West Region: covering the MetroWest and the Route 128 tech corridor, including Framingham, Newton, and Waltham, located in the western sections of the archdiocese