Leman is a surname. Notable people with the surname include:
Albert Leman (1915–1998), Russian composerBob Leman (1922–2006), American science fiction and horror authorDennis Leman, English footballerGérard Leman (1851–1920), Belgian generalJ Leman (born 1985), American football linebackerJohn Leman (died 1632), English tradesmanKevin Leman, American psychologist and authorLoren Leman (born 1950), American politicianMartin Leman (born 1934), British artistRichard Leman (born 1959), English field hockey player,Ulrich Leman (1885–1988), German painterFather (Pere) Jules Leman, founder of Blackrock College secondary school in Dublin