AAAHA stands for Ann Arbor Amateur Hockey Association
AAAIF stands for Association des Anciens et des Amis de l'Institut Français (French: Alumni Association and Friends of the French Institute)
AAAHC stands for Accreditation Association for Ambulatory Health Care (Skokie, IL)
AAAIBM stands for Anderson-Abruzzo Albuquerque International Balloon Museum (New Mexico)
B16 stands for Pope Benedict 16
b14 stands for Biarmed chromosome 14
B12 stands for Cobalamin (vitamin)
B~DAT stands for Beacon Drama Art Theatre
B@W stands for Better at Work (employment services; Netherlands)
B/W RR stands for Black to White Incidence Rate Ratio