| Acronym | Definition |
|---|
| AOSA➣American Orff-Schulwerk Association |
| AOSA➣Association of Official Seed Analysts |
| AOSA➣American Optometric Student Association |
| AOSA➣Association of Official Seed Analysis |
| AOSA➣Alden Ocean Shell Association |
| AOSA➣Ackworth Old Scholars Association (UK) |
| AOSA➣Acousto-Optic Spectrum Analyzer |
| AOSA➣Airport Open Space Advocates (Colorado) |
| AOSA➣Alberta Offshore Sailing Association (Edmonton, Alberta, Canada) |
| AOSA➣American Overseas Schools Archive |
| AOSA➣Aspect-Oriented Software Association, Inc. |
| AOSA➣Arkansas/Oklahoma Sustainable Agriculture (network) |
| AOSA➣Airborne Optical Sensor Adjunct |
| AOSA➣American Oxford Sheep Association |
| AOSA➣AlphaOmega System Associates |
| AOSA➣Army Overseas Service Association |
| AOSA➣Afloat Operational Safety Assessments (US Navy) |
| AOSA➣Associated Off-Site Areas |