Lestock Graham DesBrisay (September 3, 1920 – 1988) was a Canadian businessman and a politician in the Province of New Brunswick.
He was immediately appointed by new Premier Louis Robichaud to the Cabinet as Minister of Finance.
Lestock G. DesBrisay was reelected in 1963 and on July 8 was given the additional responsibility for the Department of Industry, serving as its Minister until April 1, 1968.
He was reelected again in 1967, continuing as Minister of Finance until his government was defeated in the 1970 general election.
Lestock Graham DesBrisay was a descendant of Captain Théophile de la Cour DesBrisay (1671–1761) whose Huguenot ancestors fled religious persecution in France and settled in Dublin, Ireland before coming to Canada.