Leishman is a surname. Notable people with the surname include:
Alan Leishman, Australian garden administrator and amateur ornithologist Brian Leishman, Scottish politician Jim Leishman (born 1953), Scottish politician and former professional footballer John George Alexander Leishman (1857–1924), American businessman and diplomat Ken Leishman (1931–1979), also known as the Flying Bandit or the Gentleman Bandit, Canadian criminal responsible for multiple robberies between 1957 and 1966 Larry Leishman (1947–2013), Scottish-born Canadian guitarist Marc Leishman (born 1983), Australian golfer Mark Leishman (born 1956), New Zealand broadcaster Melanie Leishman (born 1989), Canadian actress Phillip Leishman (1951–2013), New Zealand broadcaster Tommy Leishman (1937–2021), Scottish professional footballer William Boog Leishman (1865–1926), Scottish pathologist and British Army medical officer best known for discovering Leishmaniasis and preparing Leishman stain