UCD can refer to:

Education

University College Dublin University College Dublin (commonly referred to as UCD) ( ga, Coláiste na hOllscoile, Baile Átha Cliath) is a public research university in Dublin, Ireland, and a member institution of the National University of Ireland. With 33,284 student ...

, Irish university ** University College Dublin A.F.C., the university's association football club **

University College Dublin RFC University College Dublin Rugby Football Club is based in Dublin, Ireland, and plays in Division 1A of the All-Ireland League. They play their home games at UCD Bowl. The club was founded in 1910 and they won their first trophy, the Leinster J ...

, the university's rugby union club **

UCD GAA UCD GAA or University College Dublin Gaelic Athletic Association club is a Dublin based Gaelic games club in University College Dublin. The UCD hurling club was founded in 1900 and boasted the mottos "Ad Astra" and "Cothrom Féinne". The first ...

, the university Gaelic games club *

University of California, Davis The University of California, Davis (UC Davis, UCD, or Davis) is a public land-grant research university near Davis, California. Named a Public Ivy, it is the northernmost of the ten campuses of the University of California system. The inst ...

Science and technology

User-centered design User-centered design (UCD) or user-driven development (UDD) is a framework of process (not restricted to interfaces or technologies) in which usability goals, user characteristics, environment, tasks and workflow of a product, service or proc ...

Use case diagram A use case diagram is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. Th ...

Urine collection device A urine collection device or UCD is a device that allows the collection of urine for analysis (as in medical or forensic urinalysis) or for purposes of simple elimination (as in vehicles engaged in long voyages and not equipped with toilets, pa ...

Ultra compact dwarf A dwarf galaxy is a small galaxy composed of about 1000 up to several billion stars, as compared to the Milky Way's 200–400 billion stars. The Large Magellanic Cloud, which closely orbits the Milky Way and contains over 30 billion stars, is so ...

galaxy

Other

Unión Cívica Democrática Unión Cívica Democrática (UCD, English: Civic Democratic Union) is a network of forty Honduran activist organizations, which took an active part during the 2009 Honduran constitutional crisis, promoting several demonstrations against the former ...

Union of the Democratic Centre (disambiguation) Union of the Democratic Centre or Union of the Democratic Center may refer to: *Union of the Democratic Centre (Argentina), a centrist party in Argentina *Union of the Democratic Centre (Greece), a former liberal party in Greece *Union of the Democ ...

, party name in various countries *

Union of the Democratic Centre (Spain) The Union of the Democratic Centre (, UCD, also translated as "Democratic Centre Union") was an electoral alliance, and later political party, in Spain, existing from 1977 to 1983. It was initially led by Adolfo Suárez. History The coalition ...

Union of the Democratic Centre (Argentina) The Union of the Democratic Centre ( es, Unión del Centro Democrático, UCD or UCeDé) is a centre-right conservative-liberal and economically liberal political party in Argentina. It was founded in 1982 by Álvaro Alsogaray who unsuccessfully ...

{{disambig