Thomas Albert Andrew Becker was an American prelate of the Roman Catholic Church. He served as the first bishop of the Diocese of Wilmington (1868–1886) and the sixth bishop of the Diocese of Savannah in Georgia (1886–1899).

The Diocese of Wilmington is a Latin Church ecclesiastical territory – or diocese, of the Catholic Church in the eastern United States. The diocese comprises the entire state of Delaware and the Eastern Shore Region of Maryland.