OPSA


AcronymDefinition
OPSAOffice of Professional School Advising (Texas A&M University)
OPSAOklahoma Political Science Association
OPSAOxidation Phenomena in Severe Accidents (project; EU)
OPSAOdontologia Personalizada SA (Portuguese: Personalized Dentistry)
OPSAOSSTMM (Open Source Security Testing Methodology Manual) Professional Security Analyst (certification; Institute for Security and Open Methodologies)
OPSAOregon Public Safety Academy
OPSAOrganismes Paritaires Collecteurs Agrées