What is "rba"

RBA are initials that may refer to:

• Radial basis function, in mathematics
• Radiobinding assay, in medicine
• Ranger Body Armor, US Army ballistic vest
• Red Bull Arena (disambiguation)
• Rebuildable Atomizer
• Relative byte address or Entry Sequenced Data Set (ESDS), data set used by computer data-storage systems
• Reserve Bank of Australia
• Retail Bakers of America, non-profit trade association
• Rights-based approach to development, approach promoted by development agencies and NGOs
• Risk–benefit analysis, comparison of the risk of a situation to its related benefits
• Ritchie Bros. Auctioneers, industrial auctioneers in Canada
• Roberto Bautista Agut, Spanish tennis player
• Role-Based Assessment, in psychology
• Royal Bengal Airline
• Royal Bhutan Army
• Royal Brunei Airlines
• Royal Burmese Army
• Royal Society of British Artists
• Rudy Bruner Award for Urban Excellence, American award in architecture
• Rutherford backscattering analysis aka High-energy ion scattering (HEIS), analytical technique used in materials science
• RBA, the IATA code for the Sale Airport in Rabat, Morocco
• Run_Book_Automation (RBA)