RBA

RBA are initials that may refer to:

People

 * Rod Brind'Amour, Canadian professional ice hockey player and coach
 * Roberto Bautista Agut, Spanish tennis player

Organizations

 * Reserve Bank of Australia
 * Ritchie Bros. Auctioneers, Canada, stock exchange symbol
 * Royal Bhutan Army
 * Royal Brunei Airlines. ICAO code
 * Royal Society of British Artists

Transportation

 * Sale Airport in Rabat, Morocco, IATA code

Math and science

 * Relative byte address in an Entry Sequenced Data Set
 * Runbook automation, in a computer system or network

Other

 * Ranger Body Armor, US Army ballistic vest
 * Regents Bachelor of Arts, a degree program offered by the University System of West Virginia
 * Role-based assessment, in psychology
 * Rudy Bruner Award for Urban Excellence, American award in architecture