Hugh Willoughby (disambiguation)

Hugh Willoughby (died 1554) was an early English Arctic voyager.

Hugh Willoughby may also refer to:
 * Hugh Willoughby, 12th Baron Willoughby of Parham (died 1712), English peer
 * Hugh Willoughby, 15th Baron Willoughby of Parham (1714–1765), English nobleman and peer
 * Hugh Willoughby (scientist), American atmospheric and hydrospheric scientist
 * Hugh L. Willoughby (1856–1939), early designer and builder of seaplanes