David Eustace is a Scottish photographer and director, who is known for his fashion, celebrity and art photography. His photographs are included in the Scottish National Portrait Gallery, and The Glasgow Museum of Modern Art.

Eustace was raised in the East End of Glasgow, and left school at sixteen with little qualification. He took on a variety of jobs, before joining the Royal Naval Reserve and was assigned to a minesweeper. He left the Navy at 21 and became a prison officer at HM Prison Barlinnie.

His interest in photography began when he was 28 years old and decided to return to further his education and enrolled at Edinburgh Napier University. He graduated in 1991, with a BA distinction in Photographic Studies from Edinburgh Napier University and was later awarded an honorary Doctorate of Arts from the same institution.

Within a few months of graduating, Eustace was working regularly for GQ and ES Magazine, and had shot four covers for the former by the end of 1994. From 1994 to 1997, he was listed as a contributing photographer in GQ's masthead, and his clientele expanded to other publications including Tatler, British Vogue, The Sunday Times Magazine and Elle.

Portraiture soon become his specialty and his list of sitters include Sophia Loren, Tracey Emin, Sir Paul McCartney, Ewan McGregor and Milton Glaser.

Eustace has been an ambassador for the Homeless World Cup movement since January 2015. Eustace was also appointed Chancellor of Edinburgh Napier University in August 2015, a position he will hold for 5 years.