Dionigi Tettamanzi was an Italian prelate of the Roman Catholic Church, who was named a cardinal in 1998. He was Archbishop of Genoa from 1995 to 2004 and Archbishop of Milan from 2004 to 2011.

The Archdiocese of Genoa 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."