William Fitzhugh (disambiguation)

William Fitzhugh (1741–1809) was an American planter, legislator, and patriot.

William Fitzhugh may also refer to:

• William FitzHugh, 4th Baron FitzHugh (1399–1452), English nobleman and member of parliament
• William Henry Fitzhugh (1792–1830), Virginia planter and politician
• William F. Fitzhugh (1818–1883), American Confederate soldier and Texas Ranger
• William W. Fitzhugh (born 1943), American archaeologist and anthropologist