RBK

RBK may refer to:
 * Reebok, a company specializing in sportswear and goods, or a brand of sportswear made by Reebok.
 * Rockbank railway station, Melbourne
 * Rosenborg BK (Rosenborg Ballklub), a Norwegian football club
 * Royal Borough of Kingston upon Thames, in Greater London
 * Rögle BK (Rögle Bandyklubb), an ice hockey club from Sweden
 * Rheinisch-Bergischer Kreis, a district of North Rhine-Westphalia in Germany
 * RBK-250, a Soviet-era cluster bomb
 * RBK-500, a Soviet-era cluster bomb
 * RBK Group, a Russian media group
 * RBK TV, a TV channel owned by the group
 * RBK Daily, a newspaper publisher by the group
 * IATA airport code for French Valley Airport