| Abbreviation | Definition |
|---|---|
| ACSM | Adobe Content Server Manager |
| ACSM | Adobe Content Server Message |
| ACSM | Advocacy communication and social mobilization |
| ACSM | Alternative Coupon Satisfaction Mechanism |
| ACSM | American Congress on Surveying and Mapping |
| ACSMA | Alexis Crystal Stevenson Model Agency |
| ACSMA | Alexis Crystal Stevenson Modeling Agency |
| ACSN | Afro Colombian Solidarity Network |
| ACSN | Amateur Cinema Studies Network |
| ACSN | American Center for Spine and Neurosurgery |
| ACSO | Absorption Cross Sections of Ozone |
| ACSO | Alachua County Sheriff's Office |
| ACSO | Alameda County Sheriff's Office |
| ACSO | Allen County Sheriff's Office |
| ACSO | Almost Complete Sound Overhaul |
| ACSO | Association of California Symphony Orchestras |
| ACSO | Atlanta |
| ACSO | Atlanta Community Symphony Orchestra |
| ACSO | Autism Center of Southeastern Ohio |
| ACSP | Acclimation Collimation Seeing Processing |