William Carter
William Carter is the name of the following people:
- William Carter (martyr) (1544 / 1548–1584), English martyr
- William Arnold Carter (1907–1996), American governor of the Panama Canal Zone
- William Blount Carter (1792–1848), American politician
- William Grayson Carter († 1849), American politician
- William Harding Carter (1851-1925), American general
- William Henry Carter (1864–1955), American politician
- William Marlborough Carter (1850–1941), British clergyman, Archbishop of Cape Town
- William R. Carter , Canadian botanist