William Andrew Hart (1904–1992) was a Scottish Roman Catholic clergyman who served as the Bishop of Dunkeld from 1955 to 1981. Born in Dumbarton, Scotland on 9 September 1904, he was educated at St Mary's College, Blairs 1919-1922 and the Royal Scots College, Valladolid 1922-1929. He was ordained to the priesthood on 25 May 1929 at Valladolid Cathedral for Glasgow Archdiocese. He was curate of St Mary's, Hamilton 1929-1933 and St John's, Gorbals 1933-1939. He served as a forces chaplain from 1939 to 1945 and was curate of St Michael's, Parkhead 1945-1948. He was Vice-rector of the Royal Scots College, Valladolid 1948-1949. He returned to Scotland in 1949 as parish priest of St Nicholas', Glasgow. He was parish priest of St Saviour's, Govan 1951-1955.