English abbreviations from ab to abait
- AB (Air Burst)
- A.B. (Artium Baccalaureus ("Bachelor of Arts"))
- Ab. (Abbas ("Abbot"))
- AB(C) (Aviation battalion (combat))
- AB&E (Arts, Beats, and Eats festival)
- AB2 (Army Brigade and Below)
- ABA (Adriatic Basketball Association)
- A.B.A. (Antoniani Benedictini Armeni (Mechitarists))
- ABAB (Applied Biochemistry and Biotechnology)
- ABAC (Arlington Bicycle Advisory Committee)
- ABACUS (Air Battle Analysis Center Utility System)
- ABADS (American Brugmansia And Datura Society)
- ABAI (American Board of Allergy and Immunology)
- ABAIT (Automatic Board Assembly, Inspection, and Test)
