| Abbreviation | Definition |
|---|---|
| ACHE | American College of Heating Executives |
| ACHI | American College of Histocompatibility and Immunogenetics |
| ACHI | American College of Histocompatibility Immunogenetics |
| ACHS | American College of Healthcare Sciences |
| ACHS | Association of College Honor Societies |
| ACHS | Australasian College of Health Sciences |
| ACICS | Accrediting Council for Independent Colleges and Schools |
| ACICU | Accrediting Commission of International Colleges and Universities |
| ACIF | Algonquin College Innovation Fund |
| ACIMD | American College Of Integrative Medicine And Dentistry |
| ACIP | American College of International Physicians |
| ACJC | Anglo Chinese Junior College |
| ACJC | Anglo-Chinese Junior College |
| ACKM | Australasian College Kinesiology Mastery |
| ACKM | Australasian College of Kinesiology Mastery |
| ACLM | American College of Lifestyle Medicine |
| ACLM | Australasian College of |
| ACLM | Australasian College of Legal Medicine |
| ACM | American College of the Mediterranean |
| ACM | Associated Colleges of the Midwest |