William Nutbeam, of Ash-next-Sandwich, Kent, was an English politician.
Nutbeam married, probably before 1398, Constance Ellis, daughter and coheiress of Thomas Ellis of Sandwich, Kent. They had one son.
Nutbeam was a Justice of the Peace for Kent from 1407 to 1416 and appointed High Sheriff of Kent for 1411–12. He was elected Member of Parliament for Kent in 1411.