- ABU stands for Asia-Pacific Broadcasting Union
- ABU stands for Ahmadu Bello University (Zaria, Nigeria)
- ABU stands for Alderson Broaddus University (Philippi, WV)
- ABU stands for Automotive Business Unit (various organizations)
- ABU stands for Association des Bibliophiles Universels
- ABU stands for Airman Battle Uniform (US Air Force)
- ABU stands for Atlantic Baptist University (Moncton, New Brunswick, Canada)
- ABU stands for Automatic Billing Updater (Mastercard)
- ABU stands for American Board of Urology
- ABU stands for Alliance Biblique Universelle
- ABU stands for Anyone But United (soccer)
- ABU stands for Alpha Beta Unlimited (gaming, Magic: The Gathering)
- ABU stands for Air Bustle Unit
Abbreviations And Their Meaning