John Willoughby (disambiguation)
John Willoughby is a character in Jane Austen's Sense and Sensibility
John Willoughby is also the name of:
- John Willoughby (1421–1477), English soldier and politician
- John Willoughby, 9th Baron Willoughby of Parham, English peer of the House of Lords
- John Willoughby, 8th Baron Willoughby of Parham, English peer of the House of Lords
- Sir John Willoughby, 4th Baronet, British Member of Parliament for Leominster
- Sir John Christopher Willoughby, 5th Baronet, Willoughby baronet, British army officer, Justice of the Peace
- John Henry Charles Willoughby, Canadian physician and politician in Saskatchewan
- John Willoughby (British Army officer), British general