Henry Willoughby
Henry Willoughby may refer to:
- Sir Henry Willoughby (courtier), English courtier
- Henry Willobie, or Willoughby, English author
- Sir Henry Willoughby, 1st Baronet, see Willoughby baronets
- Henry Willoughby, 4th Baron Willoughby of Parham, English peer
- Henry Willoughby (colonial administrator), British governor of Antigua and Barbados
- Henry Willoughby, 16th Baron Willoughby of Parham, English peer
- Henry Willoughby, 5th Baron Middleton, English peer
- Henry Willoughby, 6th Baron Middleton, English peer, son of the above
- Henry Willoughby (Newark MP), member of Parliament for Newark
- Sir Henry Willoughby, 3rd Baronet, British politician
- Henry Willoughby, 8th Baron Middleton, English peer