AAM
- Aam
- Academy of Ancient Music
- Accademia di Architettura di Mendrisio
- Achievement Medal
- Active appearance model
- Advanced Air Mobility
- Air-to-air missile
- Alliance for Audited Media
- Alliance of Automobile Manufacturers
- American Alliance of Museums
- Anti-Apartheid Movement
- Aramanik language
- Association for Accessible Medicines
- Association of Assistant Mistresses
- Author Accepted Manuscript
- Automatic acoustic management
- Day length fluctuations
- Intel BCD opcodes
- Mala Mala Airport