John Aloysius Murphy (21 December 1905 – 18 November 1995) was a Roman Catholic Church prelate who served firstly as the Bishop of Shrewsbury from 1949 to 1961, then as the Archbishop of Cardiff from 1961 to 1983. Murphy adjusted to the ecumenical climate of Vatican II, for example by accompanying the Abbot of Caldey on a visit to the Llandaff residence of Bishop Glyn Simon, who subsequently as Archbishop of Wales spoke at the Installation (1969) of the Catholic Lord Mayor, Sir Lincoln Hallinan,