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)

This disambiguation page lists articles associated with the title AOB.
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