UCD

UCD can refer to:

Education

 * University College Dublin, Irish university
 * University College Dublin A.F.C., the university's association football club
 * University College Dublin RFC, the university's rugby union club
 * UCD GAA, the university Gaelic games club
 * University of California, Davis

Science and technology

 * User-centered design
 * Use case diagram
 * Urine collection device
 * Ultra compact dwarf galaxy

Other

 * Unión Cívica Democrática
 * Union of the Democratic Centre (disambiguation), party name in various countries
 * Union of the Democratic Centre (Spain)
 * Union of the Democratic Centre (Argentina)