The Diocese of Wheeling–Charleston is a Latin Church ecclesiastical territory – or diocese – of the Catholic Church comprising West Virginia in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Baltimore.

The Metropolitan Archdiocese of Baltimore is the archdiocese of the Latin Church of the Catholic Church in northern and Western Maryland in the United States. It is the metropolitan see of the Ecclesiastical Province of Baltimore.