CSAR, or Csar may refer to:Caris Spatial Archive, a file format for storing bathymetry data Center for the Simulation of Advanced Rockets Central South African Railways Combat search and rescue Cosa succederà alla ragazza, a 1992 music album by Lucio Battisti Comité secret d'action révolutionnaire, a French anti-communist group better known as La Cagoule Alternative spelling of the title of nobility, Tsar Günther Csar Child Sexual Abuse Regulation