William Eden may refer to:
- William Eden, 1st Baron Auckland (1744–1814)
- William Eden (MP) (1782–1810), MP for Woodstock, son of the above
- Sir William Eden, 7th Baronet (1849–1915), British aristocrat and politician
- William George Eden, 4th Baron Auckland (1829–1890), Baron Auckland
- William Moreton Eden, 5th Baron Auckland (1859–1917), Baron Auckland