The Archdiocese of Glasgow is the Latin Catholic metropolitan see of the Province of Glasgow in central Scotland. The episcopal seat of the developing diocese was established by Saint Kentigern in the 6th century AD. It is one of two catholic metropolitan archdioceses of the Catholic Church in Scotland: the only archdioceses in Scotland. It is the elder of the two bishoprics. Innocent VIII first raised Glasgow a metropolitan archbishopric in 1492. The Metropolis has the dioceses of Motherwell and Paisley as suffragans within the Ecclesiastical Province.

The Diocese of Motherwell is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Scotland.