Sir William Butts
(c. 1486 – 22 November
) was a member of King Henry VIII of England
's court and served as the King's physician.
He had his portrait painted by Hans Holbein the Younger in 1543, and was knighted the following year. His daughter Anne was married to the son of Sir Nicholas Bacon.
The details of Butts's early life are unclear; he may have been born in either the London borough of Fulham or in Norfolk.
Butts died in 1545, and is buried at All Saints Church, Fulham, London.