POSA


AcronymDefinition
POSAPresident of South Africa
POSAPublic Order and Security Act
POSAPartners of Sex Addicts
POSAPoint of Sale Activation
POSAPattern Oriented Software Architecture
POSAPerson of Ordinary Skill in the Art (patent law)
POSAPolitics of Open Source Adoption
POSAProceed-on-Sight Authority (UK)
POSAPassive Optical Sample Assembly
POSAPembroke Old Scholars' Association (Australia)
POSAPinner Old Students Association (UK; alumni association)
POSAParks and Open Space Advocates (Seattle, WA)
POSAPreliminary Operation Safety Analysis
POSAPayments Outstanding Suspense Account
POSAPacific Ocean Shipping Agency (Egypt)
POSAPomona College Student Art Gallery (Claremont, California)
POSAPride of Sheffield Ave. (New York fire station)