Breed is a surname. Notable people with the surname include:
Colin Breed (born 1947), English politician
Lawrence M. Breed, American computer scientist
London Breed, American politician
Michael Breed (born 1962), American golfer
Mildred Breed, American bridge player
Urban Breed, Swedish singer
William J. Breed (1928–2013), American geologist, paleontologist, naturalist and writer
Mary Bidwell Breed (1870-1949), American chemist