Anthony Peter William Malcomson (born 12 March 1945) is a historian specialising in the history of the Anglo-Irish ascendancy.
He was educated at Campbell College, Belfast, and Emmanuel College, Cambridge.
He completed his post graduate studies at Queen's University and was awarded his Ph.D.
in history in 1970.
Most of his working life was spent in the Public Records Office of Northern Ireland, of which he was director from 1988 until his retirement in 1998.He is a prolific author.
Professor Cormac Ó Gráda has said: "Anthony Malcomson produces erudite books almost as fast as Joseph Haydn produced symphonies or Donizetti bel canto operas.He was elected a member of the Royal Irish Academy in 1987.