William Willoughby

William Willoughby may refer to:

William Willoughby, 11th Baron Willoughby de Eresby (1482-1526), father of Katherine Willoughby and the largest landowner in Lincolnshire, England
William Willoughby, 1st Baron Willoughby of Parham (c.1515 – 1570), English baron and nephew of the above
William Willoughby, 3rd Baron Willoughby of Parham (1584 – 1617)
Bill Willoughby (1957-present) American former professional basketball player

See also