UAR (disambiguation)
Look up UAR in Wiktionary, the free dictionary.
UAR is the common abbreviation for the United Arab Republic, a state formed by the union of the republics of Egypt and Syria in 1958.
UAR or Uar may also refer to:
- Uar (tribe), a tribe in Central Asia and China
 - Understanding Animal Research, a British advocacy group
 - Unión Argentina de Rugby, the official governing body of rugby union in Argentina
 - Union of African Railways, an organization of African railways
 - United Artists Records, American record label
 - United Artists Releasing, American film distribution joint venture which operated from 2017 to 2023
 - Genetic code for stop codon
 - ICAO designator for Aerostar Airlines, a Ukrainian airline