| Acronym | Definition |
|---|
| AOB➣All on Board |
| AOB➣Annals of Botany |
| AOB➣Algemene Onderwijsbond |
| AOB➣Any Other Business |
| AOB➣As on Board (shipping) |
| AOB➣American Oriental Bioengineering (pharmaceuticals) |
| AOB➣Audio Object |
| AOB➣Audio Output Board |
| AOB➣All on a Bitch (business motto) |
| AOB➣Ace of Base (band) |
| AOB➣Archdiocese of Baltimore (Catholic Church) |
| AOB➣Association of Brewers |
| AOB➣Ammonia Oxidizing Bacteria |
| AOB➣Accessory Olfactory Bulb |
| AOB➣At or Below (aviation) |
| AOB➣Advanced Operations Base (US DoD) |
| AOB➣Assignment of Benefits |
| AOB➣Austrian Ombudsman Board (est. 1977) |
| AOB➣Alcohol On Breath |
| AOB➣Aviation Operations Branch (US DoD) |
| AOB➣Air Order of Battle |
| AOB➣Annual Operating Budget |
| AOB➣Angle Of Bank |
| AOB➣Astronomical Observatory, Belgrade |
| AOB➣Association Ornithologique de Belgique (French: Ornithological Association of Belgium) |
| AOB➣Anterior Open Bite (dentistry) |
| AOB➣Arts Off Broadway (San Diego, CA) |
| AOB➣Adjusted Occupied Bed |
| AOB➣Appellant's Opening Brief |
| AOB➣All Other Business |
| AOB➣Attack on Babylon |
| AOB➣Away on Business (hospitality discount program) |
| AOB➣Alliance of Baptists |
| AOB➣Art of Books (bookseller website) |
| AOB➣Angle On the Bow |
| AOB➣Average-On-Board |
| AOB➣Array of Bytes (computer code) |
| AOB➣Andy O'Brien (Irish soccer player) |
| AOB➣Approved Operating Budget |
| AOB➣Audio of Being (Matthew Good album) |
| AOB➣Art of Business |
| AOB➣Airfield Operations Board |
| AOB➣Alternate Operating Base |
| AOB➣Airfield Operations Battalion (US Army Aviation) |
| AOB➣Amicale Ornithologique du Blavet (French ornithological association) |
| AOB➣Air Operations Branch |
| AOB➣Analog Output Board |
| AOB➣Analytical Operations Branch |
| AOB➣Auxiliary Order Board |
| AOB➣Angle Of Bearing |
| AOB➣Adiabatic Oxygen Bomb (calorimeter) |
| AOB➣Alignment Outlet Box(es) |
| AOB➣Alliance of Brothers (gaming guild) |
| AOB➣Asymptotic Optimal Boundary |
| AOB➣Alcohol on Board (healthcare) |
| AOB➣Authorization of Billing (Medicare) |
| AOB➣All Out Bombing (gang) |
| AOB➣Agenda on Board |
| AOB➣Announcer on Board (advertising) |