| Abbreviation | Definition |
|---|---|
| ACCT | American College of Commerce and Technology |
| ACCT | Association of Community College Trustees |
| ACCTS | Association of Christian Colleges and Theological Schools |
| ACCU | Association of Catholic Colleges and Universities |
| ACDA | American College Dance Association |
| ACDE | Australian College of Dental Education |
| ACDM | American College of Domiciliary Midwifery |
| ACDN | Andrew College Digital Network |
| ACDN | Aotearoa College of Diabetes Nurses |
| ACDT | AsanSka College of Design and Technology |
| ACE | Accelerated College Education |
| ACE | Accelerated College Enrollment |
| ACE | Achieving a College Education |
| ACE | Adhiyamaan College of Engineering |
| ACE | Advanced College Enrollment |
| ACE | American College of Education |
| ACECE | American College of Early Childhood Education |
| ACEF | American College of Endocrinology Foundation |
| ACEIT | ARYA College of Engineering & I.T. |
| ACEM | Australasian College for Emergency Medicine |