William Bagot may refer to:
William Bagot (politician) (died 1407), favourite of King Richard II of England and a major character in Shakespeare's Richard II William Bagot, 1st Baron Bagot (1728–1798), British politician William Bagot, 2nd Baron Bagot (1773–1856), British peer William Bagot, 3rd Baron Bagot (1811–1887), British courtier and Conservative politician William Bagot, 4th Baron Bagot (1857–1932), British peer and Conservative politician
See also Baron Bagot