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 Euclid Cummings (born 1991), American football player 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, 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)