| Abbreviation | Definition |
|---|---|
| ACEM | Australian College of Emergency Medicine |
| ACEMS | Amherst College Emergency Medical Services |
| ACEP | American College of Emergency Physicians |
| ACES | Accelerated College Enrollment Scholarship |
| ACES | Alamo Colleges Educational Services |
| ACES | American College of Eye Surgeons |
| ACES | Athletics Colleges Education Scholarships |
| ACETA | Association of College English Teachers |
| ACETA | Association of College English Teachers of Alabama |
| ACFA | Amarillo College Fencing Association |
| ACFAS | American College of Foot and Ankle Surgeons |
| ACFEI | American College of Forensic Examiners InstituteSM |
| ACFH | Alvernia College Field Hockey |
| ACFM | Australian College of Finance and Management |
| ACFP | American College of Forensic Psychology |
| ACFP | Angel College Foundation Programme |
| ACFS | Advanced College Funding Solutions |
| ACFS | Assumption College For Sisters |
| ACG | American College of Greece |
| ACHA | American College Health Association |