Brian Marshall (born April 1, 1965) is a Canadian retired track and field athlete, who competed in the men's high jump at the 1988 Summer Olympics.Originally from Ottawa, Ontario, Marshall was an active athlete in high school, setting a national Canada-wide high jump record at the high school level in 1981.
He subsequently attended Stanford University, where he won a Pac-10 championship in the high jump in 1988; his 2.28 metres (7 ft 6 in) jump remained the all-time record for a Stanford University athlete as of 2016.At the 1988 Summer Olympics, he jumped 2.22 metres (7 ft 3 in), placing 17th — a tie with fellow Canadian jumper Milton Ottey and South Korean jumper Cho Hyun-Wook — and failing to qualify for the finals.
Marshall came out as gay in 1994 by attending a political gala at Rideau Hall as the guest of Svend Robinson, Canada's first openly gay Member of Parliament.
He was also a panelist at the 2003 National Gay and Lesbian Athletics Conference in Cambridge, Massachusetts, on a panel of LGBT Olympians that also included swimmer Mark Tewksbury and rower Harriet Metcalf.