William Baker
William Baker is the name of the following people:
- William Baker (businessman) (1705-1770) British businessman and politician
- William Baker (architect) (1705–1771), English architect
- William Baker (engineer) (1817–1878), British railway engineer
- William Baker (politician) (1831–1910), American politician
- William Baker (Designer) (* 1973), English designer, stylist, author and theater director
- William Benjamin Baker (1840–1911), American politician
- William Eli Baker (1873–1954), American lawyer and judge
- William F. Baker (* 1953), American engineer
- William H. Baker (1827–1911), American politician
- William J. Baker (* 1972), British botanist
- William O. Baker (1915-2005), American science entrepreneur
- William P. Baker (* 1940), American politician
- William R. Baker (1820–1890), American politician
