- AAOP stands for American Academy of Orthotists and Prosthetists
- AAOP stands for American Academy of Orofacial Pain
- AAOP stands for American Academy of Oral Pathology
- AAOP stands for American Association of Ophthalmic Pathologists
- AAOP stands for Adolescents Advocacy and Outreach Program (University of Virginia; Charlottesville, VA)
- AAOP stands for Airborne Antarctic Ozone Project
AAOP