AOB

AOB may refer to:


 * Accessory olfactory bulb, the dorsal-posterior region of the main olfactory bulb
 * Ace of Base, a Swedish pop group
 * ammonia-oxidizing bacteria
 * Angle of bank, in aviation
 * Angle On the Bow, a variable in nautical rangekeeping
 * open bite, in dentistry
 * Antioxidant of bamboo leaves
 * Antyfaszystowska Organizacja Bojowa
 * Assignment of Benefits, medical terminology
 * Any Other Business, an agenda item for free miscellaneous points
 * Austin O'Brien Catholic High School, a Catholic Senior High School in Edmonton, Alberta, Canada
 * Ammonia-oxidizing bacteria, a type of Nitrifying bacteria

AoB may refer to:


 * Array of Bytes

aob may refer to:


 * Abom language, a nearly extinct language spoken in Papua New Guinea (ISO 639-3 code)