ORSA


AcronymDefinition
ORSAOperations Research Society of America
ORSAOwn Risk and Solvency Assessment
ORSAOccupational Road Safety Alliance (UK)
ORSAOptions Regulatory Surveillance Authority
ORSAOutpatient Reduced-Cost Simplified Application (Los Angeles County, CA)
ORSAOxacillin Resistant Staph Aureus
ORSAOperations Research & System Analysis
ORSAAugustinian Recollects (religious order)