Royal African Company, a slave-trade company

Remote access card, for out-of-band communication with a computer

Royal Armoured Corps, a corps of the British Army

Rutgers Athletic Center, the basketball arena at Rutgers University in Piscataway, New Jersey

RAC plc, a British motorist's organisation

Oracle RAC, a computer cluster database sold by the Oracle corporation

Rock Against Communism, a series of concerts featuring white power music, as well as a term for white power music in general

Rac or Raci, a name used to designate Serbs, Bunjevci, and Šokci in Middle Ages and the early modern times

RACA, the oldest motoring organisation in Australia

Radio Amateurs of Canada, an association of Canadian amateur radio operators

Recording Artists' Coalition, an American music industry organization that represents recording artists.

Religious Action Center, the political outreach body of Reform Judaism in the United States.

John H. Batten Airport in Racine, WI

Royal Automobile Club, a private Gentlemen's Club in Pall Mall, London

Rhodesian Armoured Corps, a regiment of the Rhodesian Army

Retirement Annuity Contract, a type of UK pension plan

Riverside Arts Council, an art council in California, USA

RAC Foundation, a British motoring advocacy group

Reservation against Cancellation, rail transport in India

Romeo A. Crennel, head coach in the NFL for the Cleveland Browns, often referred to as RAC by his players.

Retriever Activities Center, the arena at UMBC in Catonsville, Maryland