William McNeill
William McNeill is the name of the following people:
- William Hardy McNeill (1917–2016), American historian of Canadian descent
- William Henry McNeill (1803–1875), American navigator and explorer
- William Ronald McNeill (1936–2007), Canadian ice hockey player
See also:
- Billy McNeill ( William McNeill ; 1940-2019), Scottish football player and coach
- Don McNeill ( William Donald McNeill ; 1918–1996), American tennis player