Posted in Arts, Aviation, Government & Military, Health & Medicine, Information Technology, Organizations, Schools & Education, Sports BAO stands for Batman: Arkham Origins (gaming) BAO stands for Baryon Acoustic Oscillations (cosmology) BAO stands for Business Analytics and Optimization (IBM) BAO stands for Basal Acid Output (medical test) BAO stands for Business Analyst Online (software) BAO stands for Bundesabgabenordnung (Austria) BAO stands for Bouche à Oreille (French: Word of Mouth) BAO stands for Brussels Agentschap voor de Onderneming (Dutch: Brussels Enterprise Agency; Brussels, Belgium) BAO stands for Behavior Analyst Online (online scientific journals) BAO stands for Bilateral Affairs Officer (US DoD) BAO stands for Boulder Atmospheric Observatory BAO stands for Birmingham AIDS Outreach BAO stands for Bloc Américaniste Occidentaliste (French: American Western Bloc) BAO stands for Bachelor of Obstetrics BAO stands for Bomb Appraisal Officer (US TSA) BAO stands for Boeing Aerospace Operations BAO stands for Bruce Artwick Organisation BAO stands for Best Available Option BAO stands for Branch Artery Occlusion BAO stands for Bachelor of the Arts of Obstetrics (UK) BAO stands for Battalion Ammunition Officer (US Army) BAO stands for Baikal Astrophysical Observatory (Listvyanka, Russia) BAO stands for Best Atomic Orbital BAO stands for Breathing Apparatus Operator (safety) BAO stands for Bear Artists Online (est. 2008) BAO stands for 2,5-Bis-4-Aminophenyl-1,3,4-Oxadiazole (chemistry) BAO stands for Burlington Area Office BAO stands for Business Administration Officer Committees