- AANS stands for American Association of Neurological Surgeons (aka American Association of Neurologic Surgeons)
- AANS stands for Australian Army Nursing Service
- AANS stands for American Association for Netherlandic Studies
- AANS stands for Alumni Association of Nursing Studies (Hong Kong)
- AANS stands for Aquaculture Association of Nova Scotia (Halifax, Nova Scotia, Canada)
- AANS stands for American Association of Nurse Anesthestists (Rolling Meadows, IL)
AANS