RAC or Rac may refer to:

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, an American company Riverside Arts Council, California, US Robertson Aircraft Corporation, a predecessor of American Airlines Royal African Company, an English company active from 1660 to 1752 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 Airlines

Military Royal Armoured Corps of the British Army Romanian Air Corps, the air arm of the Romanian Army in WWI

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, Morocco

Music RAC 1, a radio station in Catalonia, Spain Recording Artists' Coalition, US RAC (musician), stage name of André Allen Anjos Rock Against Communism, racist concerts

Computing Oracle RAC, Real Application Clusters Reliability Analysis Component, one of the management features new to Windows Vista

People Rác (surname) Rác (ethnonym) or Rascians, an early modern name for Serbs Rac Slider (born 1933), retired baseball player

Other 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 racemic mixture