ARCT or Arct may refer to: An Associate of the Royal Conservatory of Music (Toronto) Agence de Régulation et de Contrôle des Télécommunications au Burundi, the Mobile Network Code authority for Burundi 187th ARCT or Airborne Regimental Combat Team, a name of the 187th Infantry Regiment (United States)
People with the name Bohdan Arct (1914–1973), Polish fighter pilot Eugeniusz Arct (1899–1974), Polish painter
See also ARCT-021, vaccine produced by Arcturus