OpBA

AcronymDefinition
OpBAOpponents Batting Average (baseball)
OpBAOffshore Powerboat Association
OpBAOffshore Power Boat Association
OpBAOperations Per Based Aircraft
OpBAOhio Poultry Breeders Association
OpBAOntario Public Buyers Association, Inc.
OpBAOntario Professional Basketball Association (Canada)
OpBAOceania Pocket Billiard Association
OpBAOhio Patrolmen's Benevolent Association
OpBAOgden Police Benefit Association (Utah)
OpBAOntario Pension Benefits Act (Canada)
OpBAOld Pueblo Business Alliance
OpBAOhio Proficiency-Based Assessment
OpBAOrlando Police Benevolent Association (Florida)
OpBAOld Pueblo Bass Anglers (Tucson, AZ)
OpBAOhio Pawnbrokers Association
OpBAOntario Pinzgauer Breeders Association (Canada)
OpBAOrder of the Palm of the Barony of Atenveldt
OpBAOccupational Pension Benefits Act (Barbados)
OpBAOpen Barrel