RCB may stand for:
- Regional Centre for Biotechnology, an Indian research institute
- Royal Challengers Bangalore, an Indian Premier League franchise
- R Coronae Borealis variable, a type of star
- Red Cross Book, a book associated with Neon Genesis Evangelion
- Residual-current device, also sometimes called Residual Current Breaker (RCB)
- Ràdio Ciutat de Badalona, a public radio station in Barcelona
- Regular Commissions Board, previous name of the British Army Officer Selection Board
- Riverine Command Boat, the U.S. Navy's name for the CB90-class fast assault craft
- Kinmen Airport, ICAO code RCBS
|This disambiguation page lists articles associated with the title RCB.
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