William Draper
William Draper is the name of the following people:
- William Draper (officer) (1721–1787), British officer
- William F. Draper (1842–1910), American officer and politician
- William Henry Draper (politician, 1801) (1801–1877), Canadian politician
- William Henry Draper (Politician, 1841) (1841–1921), American politician
- William Henry Draper (hymn poet) (1855–1933), British theologian and hymn poet
- William Henry Draper Junior (1894–1974), American politician, entrepreneur and diplomat