| Acronym | Definition |
|---|
| AACO➣Arab Air Carriers Organization |
| AACO➣Apartment Association of Central Oklahoma (Oklahoma City, OK) |
| AACO➣Asian Americans for Community Outreach (San Francisco, CA) |
| AACO➣AIDS Activities Coordinating Office (Philadelphia, PA) |
| AACO➣Arizona Association of Counties (est. 1968) |
| AACO➣Auto Adaptive Contrast Optimisation (software) |
| AACO➣Assault Airlift Control Officer |