AEP
- 100-year flood
- AEP Building
- AEP Olympias BC
- AEP Paphos FC
- AEP v. Connecticut
- Adobe After Effects
- Aeroparque Jorge Newbery
- Alpha Epsilon Pi
- American Electric Power
- Aminoethylpiperazine
- AppleTalk Echo Protocol
- Arctic Environmental Protection Strategy
- Association of Educational Psychologists
- Association of Electricity Producers
- Association of Environmental Professionals
- Associação dos Escoteiros de Portugal
- Asymptotic equipartition property
- Attenuated Energy Projectile
- Australian Equality Party
- List of pickleball organizations
- OpenGL ES
- The Algebraic Eigenvalue Problem