- AAPB stands for Association for Applied Psychophysiology and Biofeedback
- AAPB stands for Academic Accommodations Policy Board (various schools)
- AAPB stands for Australian Association of Professional Bookkeepers (est. 2004; Victoria, Australia)
- AAPB stands for American Association of Pathologists and Bacteriologists (est. 1901)
- AAPB stands for Anne Arundel Paintball (Park; Jessup, Maryland)
AAPB