| Term | Definition / Meaning / Stand for |
| AA |
Accounting Assistant |
| AAO |
Assistant Administrative Officer |
| ABR |
Accredited Buyer Representative |
| ABS |
Activity Based Selling |
| ACC |
Associate Certified Counselor |
| ACE |
Advisory Committee on Education |
| ACM |
Association for Computing Machinery |
| AD |
Advertisement or Advertising Director |
| ADC |
Analog-to-Digital Converter |
| ADHD |
Attention-Deficit/Hyperactivity Disorder |
| ADP |
Automatic Data Processing |
| ADU |
Additional Dwelling Unit |
| AE |
Automotive Engineer |
| AEA |
American Educational Association |
| AEC |
Assistant Engineering Consultant |
| AF |
Armed Forces |
| AFM |
Assistant Facilities Manager |
| AFS |
American Field Service |
| AGM |
Annual General Meeting |
| AGP |
Accelerated Graphics Port |
| AHC |
Affordable Housing Coordinator |
| AHP |
Allied Health Professional |
| AHR |
American Historical Review |
| AI |
Artificial Intelligence |
| AIM |
American Indian Movement |
| AL |
Assistant Librarian |
| AM |
Account Manager or Art Manager |
| AM |
Area Manager |
| AMC |
American Management Corporation |
| AMP |
Amplifier |
| AMS |
American Mathematical Society |
| ANP |
Advanced Nurse Practitioner |
| AP |
Accounts Payable |
| APE |
Associate Process Engineer |
| AR |
Accounts Receivable |
| ASE |
Automotive Service Engineer |
| ATM |
Assistant Team Manager |
| ATM |
Assistant Technical Manager |
| BCA |
Business Compliance Analyst |
| BCBH |
Better Choices, Better Health |
| BCM |
Business Continuity Manager |
| BDE |
Business Development Executive |
| BIM |
Building Information Modeling Engineer |
| BM |
Branch Manager |
| BMA |
Business Marketing Analyst |
| BOP |
Back Office Processor |
| BOW |
Becoming an Outdoors Woman |
| BPR |
Business Process Reengineering Specialist |
| BRM |
Business Relationship Manager |
| BSE |
Biomedical Systems Engineer |
| BT |
Biotechnology Technician |
| BTA |
Business Travel Agent |
| CCM |
Construction Contract Manager |
| CFO |
Chief Financial Officer |
| CHRO |
Chief Human Resources Officer |
| CME |
Certified Mechanical Engineer |
| CMO |
Chief Marketing Officer |
| CNC |
Computer Numerical Control Operator |
| CSE |
Customer Support Executive |
| CSR |
Customer Service Representative |
| CST |
Clinical Support Technician |
| CTM |
Certified Travel Manager |
| DA |
Data Analyst |
| DAS |
Design and Analysis Specialist |
| DCP |
Document Control Professional |
| DHR |
Director of Human Resources |
| DLO |
Digital Learning Officer |
| DME |
Digital Marketing Executive |
| DMI |
Digital Media Influencer |
| DMM |
Digital Media Manager |