Clifford may refer to:

People

Clifford (name) Clifford is both a toponymic surname of English origin and a given name deriving from it. It originated in several English placenames meaning "ford by a cliff". People Given name * Clifford Andrews (1912–1973), English athlete in cricket *Clif ...

, an English given name and surname, includes a list of people with that name *

William Kingdon Clifford William Kingdon Clifford (4 May 18453 March 1879) was an English mathematician and philosopher. Building on the work of Hermann Grassmann, he introduced what is now termed geometric algebra, a special case of the Clifford algebra named in hi ...

Baron Clifford Baron Clifford is a title in the Peerage of England created by writ of summons on 17 February 1628 for Henry Clifford, Lord Clifford (so styled as heir to the Earldom of Cumberland). The title was believed to be held by Lord Clifford's father a ...

Baron Clifford of Chudleigh Baron Clifford of Chudleigh, of Chudleigh in the County of Devon, is a title in the Peerage of England. It was created in 1672 for Thomas Clifford. The title was created as "Clifford of Chudleigh" rather than simply "Clifford" to differentiate ...

Baron de Clifford Baron de Clifford is a title in the Peerage of England. It was created in 1299 for Robert de Clifford (''c.''1274–1314), feudal baron of Clifford in Herefordshire, feudal baron of Skipton in Yorkshire and feudal baron of Appleby in Westmo ...

* Clifford baronets * Clifford family (bankers) * Jaryd Clifford * Justice Clifford (disambiguation) * Lord Clifford (disambiguation)

Arts, entertainment, and media

*''

Clifford the Big Red Dog ''Clifford the Big Red Dog'' is an American children's book series about the adventures of a precocious girl named Emily Elizabeth and her titular pet: a giant, red-furred dog named Clifford. It was first published in 1963 and was written by N ...

'', a series of children's books **

Clifford (character) Clifford is the title character and the main protagonist of the ''Clifford the Big Red Dog'' book series, written by Norman Bridwell and originally published in 1963, and the television series of the same name. ''Clifford the Big Red Dog'' is b ...

, the central character of ''Clifford the Big Red Dog'' ** ''Clifford the Big Red Dog'' (2000 TV series), 2000 animated TV series **''

Clifford's Puppy Days ''Clifford's Puppy Days'' is an animated children's television series that originally aired on PBS Kids from September 1, 2003 to February 25, 2006. The prequel to the 2000–2003 series ''Clifford the Big Red Dog'', it features the adventures o ...

'', 2003 animated TV series **''

Clifford's Really Big Movie ''Clifford's Really Big Movie'' is a 2004 American animated adventure comedy film based on the PBS Kids TV series '' Clifford the Big Red Dog'', itself an adaptation of the book series of the same name by Norman Bridwell. This film was directe ...

'', 2004 animated movie ** ''Clifford the Big Red Dog'' (2019 TV series), 2019 animated TV series ** ''Clifford the Big Red Dog'' (film), 2021 live-action movie * ''Clifford'' (film), a 1994 film directed by Paul Flaherty * Clifford (Muppet)

Mathematics

Clifford algebra In mathematics, a Clifford algebra is an algebra generated by a vector space with a quadratic form, and is a unital associative algebra. As -algebras, they generalize the real numbers, complex numbers, quaternions and several other hypercom ...

, a type of associative algebra, named after William Kingdon Clifford *

Clifford analysis Clifford analysis, using Clifford algebras named after William Kingdon Clifford, is the study of Dirac operators, and Dirac type operators in analysis and geometry, together with their applications. Examples of Dirac type operators include, but are ...

, a mathematical study of Dirac operators *

Clifford module In mathematics, a Clifford module is a representation of a Clifford algebra. In general a Clifford algebra ''C'' is a central simple algebra over some field extension ''L'' of the field ''K'' over which the quadratic form ''Q'' defining ''C'' is def ...

, a mathematical representation *

Clifford theory In mathematics, Clifford theory, introduced by , describes the relation between representations of a group and those of a normal subgroup. Alfred H. Clifford Alfred H. Clifford proved the following result on the restriction of finite-dimensional ...

, dealing with representations, named after Alfred H. Clifford *

Clifford torus In geometric topology, the Clifford torus is the simplest and most symmetric flat embedding of the cartesian product of two circles ''S'' and ''S'' (in the same sense that the surface of a cylinder is "flat"). It is named after William Kingdon ...

, a figure in geometric topology * Clifford's theorem, any of several mathematical derivations

Places

Australia

Clifford, Queensland Clifford is a rural locality in the Western Downs Region Western Downs Region is a local government area in Queensland, Australia. The Western Downs Regional Council manages an area of , which is slightly smaller than Switzerland, alth ...

, a locality in the Western Downs Region

Canada

Clifford, Ontario Clifford is an unincorporated community in the Town of Minto in Wellington County in Southwestern Ontario, Canada. It is on Ontario Highway 9 and Coon Creek, a stream in the Saugeen River drainage basin. The village of Clifford was founded ...

England

* Clifford, Devon, a

location In geography, location or place are used to denote a region (point, line, or area) on Earth's surface or elsewhere. The term ''location'' generally implies a higher degree of certainty than ''place'', the latter often indicating an entity with an ...

Clifford, Herefordshire Clifford is a village and civil parish in Herefordshire, England, and to the north of Hay-on-Wye. It lies on the south bank of the River Wye, which here forms the border between Wales and England. The village sits on the B4350 road. The civi ...

Clifford (ward) Clifford is an electoral ward of Trafford, Greater Manchester, covering most of the Old Trafford area of Stretford. It is the north-easternmost ward of Trafford and is bordered to the west by the Longford Longford () is the county town o ...

, Greater Manchester * Clifford, West Yorkshire *

Clifford Chambers Clifford Chambers is a village and former civil parish two miles south of Stratford-upon-Avon town centre, in Warwickshire, England. It is on the B4632 road and one mile south of the A3400. It consists of 150 houses and the population of the par ...

, Warwickshire

United States

Clifford, Indiana Clifford is a town in Flat Rock Township, Bartholomew County, Indiana, United States. The population was 233 at the 2010 census. It is part of the Columbus, Indiana metropolitan statistical area. History Clifford was founded in . The first post ...

* Clifford, Michigan * Clifford, Missouri * Clifford, North Dakota * Clifford, Pennsylvania * Clifford, Virginia, a community in Amherst County * Clifford, Wisconsin * Clifford Township, Butler County, Kansas

Structures

* Clifford Castle, a castle in the village of Clifford, England * Clifford House (Eustis, Florida), a historic house in the US state of Florida * Clifford International School, an international school in Guangzhou, People's Republic of China *

Clifford Pier Clifford Pier was a former pier located beside Collyer Quay at Marina Bay within the Downtown Core of the Central Area, Singapore. The pier, which opened in 1933, ceased operations in 2006. In 2008 the site was converted into a restaurant, One ...

, a pier in Singapore *

Clifford's Inn Clifford's Inn is a former Inn of Chancery in London. It was located between Fetter Lane, Clifford's Inn Passage, leading off Fleet Street and Chancery Lane in the City of London. The Inn was founded in 1344 and refounded 15 June 1668. It was ...

, a London (England) Inn of Chancery * Clifford's Tower, the previously-used name of York Castle in England * Clifford-Warren House, a historic house in the US state of Massachusetts

Other uses

*''Clifford'', a

New Zealand Company The New Zealand Company, chartered in the United Kingdom, was a company that existed in the first half of the 19th century on a business model focused on the systematic colonisation of New Zealand. The company was formed to carry out the principl ...

chartered sailing ship *

Clifford Chance Clifford Chance LLP is an international law firm headquartered in London, United Kingdom, and a member of the "Magic Circle", a group of London-based multinational law firms. It ranks as one of top ten largest law firms in the world measured b ...

, an international attorney firm headquartered in London, England * Clifford (horse), a world champion racehorse in the late 19th century {{disambiguation, geo