Euclid generally refers to the ancient Greek mathematician Euclid of Alexandria (3rd century BC), who wrote a work on geometry called the Elements.

Euclid, Euclides, or Eucleides may also refer to:

People

• Euclid of Megara (c. 435 BC–c. 365 BC), ancient Greek philosopher
• Eucleides, archon of Athens (5th century BC)
• Euclid Bertrand (born 1974), Dominican former footballer
• Euclides da Cunha (1866–1909), Brazilian sociologist
• Euclid James Sherwood (1942–2011), American musician
• Euclid Kyurdzidis (born 1968), Russian actor
• Euclid Tsakalotos (born 1960), Greek economist and Minister of Finance
• Nicholas Euclid (1932–2007), Australian rugby league player, coach, and official

Mathematics, science, and technology

• Euclid (computer program)
• Euclid (programming language)
• Euclid (spacecraft), a space telescope built by ESA, launched in 2023
• Euclid, a computer system used by Euroclear
• Euclid Contest, a maths competition held by the Centre for Education in Mathematics and Computing
• Euclidean space
• 4354 Euclides

Higher education

• EUCLID (university), an intergovernmental organization
• Euclid Consortium, a group of universities
• Project Euclid, a university collaboration to assist publishing in math and statistics

Places in the United States

• Euclid, Minnesota, an unincorporated community
• Euclid, Ohio, a city and suburb of Cleveland
• Euclid, Pennsylvania, an unincorporated community
• Euclid, West Virginia, an unincorporated community
• Euclid Township, Polk County, Minnesota
• Euclid Township, Cuyahoga County, Ohio, in existence from 1809 to 1917

Fiction

• Euclid, a supercomputer built by the fictional character Maximillian Cohen in the 1998 film Pi
• Euclid, a town in the game Tales of Phantasia
• Euclid, an object classification in the SCP Foundation storytelling project

Other uses

• Euclid Avenue (disambiguation), several streets in the United States, as well as transit stations and a school
• Euclid Apartments, listed on the National Register of Historic Places in Washington, D.C.
• Euclid Tree, a giant Sequoia in California
• Euclid Trucks, a company specialized in heavy equipment for earthmoving
• Village of Euclid, Ohio v. Ambler Realty Co., a U.S. Supreme Court case relevant to contemporary land use and police power issues; the legal precedent for zoning
• "Euclid", a song by Sleep Token from Take Me Back to Eden

See also

• Euclidean (disambiguation)

This disambiguation page lists articles associated with the title Euclid.
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