RRA

RRA can refer to:

• Arrow-Pratt measure of relative risk-aversion
• Radioreceptor assay, a test to determine the binding affinity of a radioactive-labelled substance to its receptor
• Rahanweyn Resistance Army, also known as the Reewin Resistance Army, an armed faction in Somalia
• Russell Reynolds Associates, a global executive-search, and leadership and succession consulting firm.
• Rainbow Routes Association, a non-profit organization in Canada dedicated to sustainable and active transportation
• Rail America Inc., NYSE ticker code RRA
• Rapid Rural Appraisal, a term for Participatory rural appraisal
• Reiulf Ramstad Arkitekter, a Norwegian architecture and design studio in Oslo
• Revenue Reconciliation Act of 1993, US tax reform legislation
• Round Robin Archive, a database term used by the RRD Editor
• Red Ribbon Army, a fictional military organization that appears in the Dragon Ball metaseries
• Road Records Association, a British cycle racing organisation
• Rock River Arms, an American firearms manufacturing company
• Internal Revenue Service Restructuring and Reform Act of 1998
• Rural Reconstruction Association, a British agricultural group
• Routing and Remote Access, a Microsoft API and server software
• Richardson Racing Automobiles, a defunct British racing car constructor
• Religious Research Association, an association of researchers and religious professionals