William Boulton may refer to:
- William Henry Boulton (1812–1874), lawyer and political figure in Canada West
- William Henry Boulton (author) (1869-1964), English writer on assyriology.
- Sir William Boulton, 1st Baronet (1873–1949), British soldier and Conservative Party politician
- Sir William Boulton, 3rd Baronet (1912–2010), British soldier and barrister
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