William Blackman or Blackmon may refer to: William Blackman (cricketer) (1862–1885), English cricketer William Fremont Blackman (1855–1932), president of Rollins College Billy Blackman (1895–1969), Australian rules footballer William Haden Blackman, American video game designer and writer Will Blackmon (born 1984), American football player William Joshua Blackmon (1921–2010), American street preacher and Milwaukee artist