OBSA

AcronymDefinition
OBSAObligation à Bon de Souscription d'Action (French: Bond Purchase Underwriting Agenda)
OBSAOffice of Black Student Affairs
OBSAOutward Bound South Africa (est. 1992)
OBSAOntario Billiards and Snooker Association (Canada)
OBSAObservatory of Sustainability in Aviation (Spain; est. 2007)
OBSAOff-Balance Sheet Activity
OBSAOff-Balance Sheet Arrangement