Daniel Francis Jeroen van der Vat (born 28 October 1939, Alkmaar) is a journalist and historian of military, primarily naval history. Van der Vat grew up in Nazi-German occupied Holland.
He went to the Cardinal Vaughan Memorial School in London, and then was a student at St Cuthbert's Society, Durham University from 1957 to 1960, graduating with a BA in Classics.
He has worked for The Times and The Guardian, both as a political and defence writer and as a foreign correspondent.