Willoughby ( ) may refer to:
Places Antigua Willoughby Bay (Antigua), on the southeast coast of Antigua
Australia Willoughby, New South Wales, a suburb of Sydney Willoughby Girls High School City of Willoughby, a local government area of New South Wales Electoral district of Willoughby, New South Wales Parish of Willoughby, Cumberland, New South Wales Willoughby, South Australia, a locality on Kangaroo Island Cape Willoughby, a headland in South Australia
Canada Willoughby, Langley, British Columbia, a community within the Township of Langley Willoughby Township, Ontario
United Kingdom Willoughby, Lincolnshire, a village Willoughby railway station Willoughby on the Wolds, Nottinghamshire Willoughby, Warwickshire, a village and civil parish Willoughby Waterleys, Leicestershire
United States Willoughby, Ohio, a city and a suburb of Cleveland Willoughby, Albemarle County, Virginia, an unincorporated community Willoughby Park, Friendship Heights, Washington, D.C. Willoughby Run, a waterway in Adams County, Pennsylvania Willoughby Spit, a peninsula in Norfolk, Virginia Willoughby State Forest, Vermont Lake Willoughby, Westmore, Vermont
Elsewhere Willoughby's Land, elusive islands thought to be north of the Barents Sea
Hydronyms Willoughby River, Vermont, United States
People Willoughby (surname), a list Willoughby (given name), a list
Fiction Willoughby (Looney Tunes), an animated character from Looney Tunes Inspector Willoughby, an animated character from The Woody Woodpecker Show John Willoughby, one of the main characters in Jane Austen's novel Sense and Sensibility The Willoughbys, a book written by Lois Lowry. The title character of the short-lived 1999 British sitcom Dr Willoughby Willoughby, Texas, a fictional town featured in Revolution (TV series) "A Stop at Willoughby", an episode from the first season of The Twilight Zone, which features a town called Willoughby A character in the novel Evelina by Fanny Burney A character in Celestina (novel) by Charlotte Smith The Willoughbys, a 2020 comedy film Violet Willoughby, the main character in the novel Haunting Violet
English/British titles Baron Willoughby de Broke, a barony by writ in the peerage of England since 1491 Baron Willoughby de Eresby, a barony by writ in the peerage of England, dating to 1313 Baron Willoughby of Parham, a title in the peerage of England from 1547 until 1779 Willoughby baronets, four titles
Music Willoughby Tucker, I'll Always Love You, a 2025 studio album by Ethel Cain
Other uses , the name of more than one United States Navy ship Willoughby Delta 8, a twin-engined aerodynamic test bed for a proposed flying wing airliner
See also Willoughby East, New South Wales, Australia, a suburb of Sydney Willoughby on the Wolds, Nottinghamshire, England Willoughby Waterleys, Leicestershire, England Willoughby Hills, Ohio, U.S.