William Potts may refer to:
William Potts (inventor) (1883–1947), American policeman and inventor of modern traffic lights William E. Potts (1921–2005), American army general William Estel Potts (1935–2004), American army general William Potts (1809–?), British clockmaker and founder of Potts of Leeds
See also Bill Potts (disambiguation), several people William Potts Dewees (1768–1841), American obstetrician and medical writer