David John Pattison Martin (born 5 February 1945) is a British Conservative politician.
A barrister and farmer, Martin was educated at Kelly College, and Fitzwilliam College, Cambridge.
Martin served as a Teignbridge District councillor from 1979-1983.
He served as the Conservative Member of Parliament (MP) for Portsmouth South from 1987 general election until 1997 general election, when he was beaten by the Liberal Democrat Mike Hancock. He stood again at the 2001 general election in the seat of Rugby and Kenilworth and at the 2005 general election in the seat of Bristol West but was unsuccessful on both occasions, having also previously stood for Yeovil in the 1983 general election.
He is the uncle of Coldplay singer Chris Martin. He is the father of Cesca Major, author of THE SILENT HOURS.