| Abbreviation | Definition |
|---|---|
| ACCP | Aptech Certified Computer Professional |
| ACCW | Advanced Child Care Worker |
| ACD | Art Creative Designer |
| ACD | Authorized Corporate Director |
| ACDC | Academic Chairs and Directors Council |
| ACDT | Apple Certified Desktop Technician |
| ACE | Adobe Certified Expert |
| ACE | Aruba Certified Expert |
| ACE | Associate Career Enhancement |
| ACE | Autocad Certified Expert |
| ACE | Available Consultants and Executives |
| ACER | Armored Combat Engineer Robot |
| ACFO | Associate Chief Financial Officer |
| ACFO-FS | Associate Chief Financial Officer for Financial Systems |
| ACGI | Associate of the City and Guilds Institute |
| ACIO | Agency Chief Information Officer |
| ACIOB | Associate of the Chartered Institute of Building |
| ACIS | Associate in the Chartered Institute of Secretaries |
| ACM | Audio Codec Manager |
| ACMA | Acquisition Career Management Advocate |