Leonard David Robertson (born 10 October 1950) is a British rower who competed in the 1972 Summer Olympics, in the 1976 Summer Olympics, and in the 1980 Summer Olympics.
In 1972 he was a crew member of the British boat which finished seventh in the coxless four event.Four years later he won the silver medal with the British boat in the eight competition.
At the 1980 Games he was part of the British boat which finished seventh in the coxed four contest.
He later became head coach of the Nottinghamshire County Rowing Association.