The Archdiocese of Genoa (Latin: Archidioecesis Ianuensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Italy. Erected in the 3rd century, it was elevated to an archdiocese on 20 March 1133. The archdiocese of Genoa was, in 1986, united with the Diocese of Bobbio-San Colombano, forming the Archdiocese of Genoa-Bobbio; however a split in 1989 renamed it the "Archdiocese of Genoa."
The Archdiocese of Genoa is a metropolitan archdiocese, the suffragan dioceses in its ecclesiastical province are the Diocese of Albenga-Imperia, Diocese of Chiavari, Diocese of La Spezia-Sarzana-Brugnato, Diocese of Savona-Noli, Diocese of Tortona, and Diocese of Ventimiglia-San Remo.