CUS

CUS may refer to:
 * Cambridge Union Society
 * Canadian Union of Students
 * Critical university studies
 * Catholic University School
 * Chicago Union Station
 * Commonwealth of Unrecognized States
 * Concordia University System
 * Confederation of Labour Unification (Spanish: Confederación de Unificación Sindical) in Nicaragua
 * Constitution of the United States
 * Copper monosulfide (CuS)
 * Urban Community of Strasbourg (French: Communauté urbaine de Strasbourg)
 * "C.U.S.", a song by Norther
 * Cus D'Amato, American boxing manager and trainer who handled the careers of Mike Tyson, Floyd Patterson, and José Torres
 * Centro Universitario Sportivo, Italian sport governing body (at university level). Locally version, in the various cities, of Centro Universitario Sportivo Italiano (for example CUS Rome, Cus Milan...)
 * Custom House station, London, England (National Rail station code)
 * Computer user satisfaction