- AAoA stands for Average Age of Accounts (credit)
- AAOA stands for American Academy of Otolaryngic Allergy
- AAoA stands for Area Agency on Aging
- AAOA stands for Advocates for the American Osteopathic Association (Chicago, IL)
- AAOA stands for Arts of Africa, Oceania, and the Americas (Metropolitan Museum of Art)
- AAoA stands for American Alliance of Aromatherapy
- AAOA stands for Association of Academic Orthopaedic Administrators (UK)
AAOA