PRA is an abbreviation for:

• Probabilistic Risk Assessment, an engineering safety analysis
• Political Research Associates, a research group, located in Somerville, Massachusetts, which studies the U.S. political right wing.
• Positive relative accommodation
• People's Redemption Army, a rebel group in Congo (DRC) and Uganda
• President of the Royal Academy: see Royal Academy
• Progressive retinal atrophy
• Plasma renin activity
• Primary rate access
• PRA International, a Contract research organization
• Participatory Rural Appraisal
• Primitive Recursive Arithmetic, a formal system of arithmetic weaker than Peano Arithmetic PA