RCB may stand for:
*
R Coronae Borealis variable
An R Coronae Borealis variable (abbreviated RCB, R CrB) is an eruptive variable star that varies in luminosity in two modes, one low amplitude pulsation (a few tenths of a magnitude), and one irregular, unpredictably-sudden fading by 1 to 9 magni ...
, a type of eruptive variable star
*
Ràdio Ciutat de Badalona, Barcelona, Spain
*
RCB Bank, Cyprus
* A protein involved in
chloroplast biogenesis
*
Regional Centre for Biotechnology
In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...
, India
* Regular Commissions Board, later the British
Army Officer Selection Board
Army Officer Selection Board (AOSB) is an assessment centre used by the British Army as part of the officer selection process for the regular army and Army Reserve and related scholarship schemes. The board is based at Leighton House, Westbury ...
*
Richards Bay Airport IATA code
*
River City Brass, a brass band based in Pittsburgh
*
Roberto Carballés Baena
Roberto Carballés Baena (; born 23 March 1993) is a Spanish professional tennis player. He achieved a career-high Association of Tennis Professionals, ATP singles ranking of world No. 49 on 10 April 2023 and a career-high doubles ranking of wo ...
, a Spanish tennis player
*
Royal Challengers Bengaluru
The Royal Challengers Bengaluru, formerly Royal Challengers Bangalore, also known as RCB, are a professional Twenty20 cricket team based in Bengaluru, Karnataka, that competes in the Indian Premier League (IPL). Founded in 2008 by United ...
, an Indian cricket franchise
**
Royal Challengers Bengaluru (WPL)
Royal Challengers Bengaluru, formerly known as Royal Challengers Bangalore, commonly known as RCB, is an Indian professional franchise cricket team based in Bengaluru, Karnataka that competes in the Women's Premier League. It is owned by Un ...
, an Indian Women's Premier League cricket franchise
*
Rock Chuck Bullet Swage
Rock Chuck Bullet Swage (later abbreviated RCBS) is a handloading equipment manufacturer operating in Oroville, California. The company originated during the sporting ammunition shortage caused by World War II, became a widely recognized manufact ...
, a handloading equipment manufacturing company
*
Racing Boy, Malaysian manufacturer for motorcycle aftermarket parts and accessories
{{disambiguation