Organizations
* Radio Amateurs of Canada * RATCH-Australia Corporation, electricity generator * Refugee Action Collective (Victoria), Melbourne, Australia * Religious Action Center of Reform Judaism, US * Rent-A-Center, US company * Riverside Arts Council, California, USA * Royal African Company, trading slaves and commodities * Royal Automobile Club (disambiguation), several motoring organisations ** RAC Limited, a British motorists' services company ** RAC Foundation, a British motoring advocacy group * Ryukyu Air Commuter, an affiliate of Japan AirlinesMilitary
*Sport
* RAC Arena (Perth) * Retriever Activities Center, multi-purpose arena, Catonsville, Maryland, US * Rutgers Athletic Center, multi-purpose arena, Piscataway, New Jersey, US * Racing Athletic Club Casablanca, MoroccoMusic
* RAC 1, a radio station in Catalonia, Spain * Recording Artists' Coalition, US *Computing
* Oracle RAC, Real Application Clusters * Reliability Analysis Component, one of the management features new to Windows VistaPeople
* Rác (surname) * Rác (ethnonym) or Rascians, an early modern name for Serbs * Rac Slider (born 1933), retired baseball playerOther uses
* John H. Batten Airport, Racine, Wisconsin, USA, IATA airport identifier * Rac (GTPase), a subfamily of G proteins * Recovery Audit Contractor, US program to find improper medical payments * Reservation against Cancellation, a booking option of Indian Railways * Ratchet And Clank, Video game series developed by Insomniac Games. * Racecourse station (MTR), Hong Kong, MTR station code * Ryukyu Air Commuter ICAO Airlines Code * ''rac''-, a prefix used in chemistry to indicate a