David William Gentleman (born 11 March 1930) is an English artist. He studied illustration at the Royal College of Art under Edward Bawden and John Nash. He has worked in watercolour, lithography and wood engraving, at scales ranging from platform-length murals for Charing Cross Underground Station in London to postage stamps and logos.
His themes include paintings of landscape and environmental posters to drawings of street life and protest placards. He has written and illustrated many books, mostly about countries and cities. He also designed a number of British commemorative postage stamps.