William McMillan
William McMillan is the name of the following people:
- William McMillan (politician) (1764–1804), American politician
- William McMillan (soccer player, 1876) (1876– ??), Scottish soccer player
- William McMillan (soccer player, 1878) (1878-1958), Scottish soccer player
- William McMillan (sculptor) (1887–1977), British sculptor
- William McMillan (soccer player, III) , Scottish soccer player
- William McMillan (marksman) (1929-2000), American marksman
- William L. McMillan (1936–1984), American physicist
