AAAI: Associate, Institute of Administrative Accountants
AAH: Associate in Allied Health

AAN: Associate of Arts in Nursing

AARCF: American Association for Respiratory Care Fellow
AAS: Associate in Applied Science
AAS: Associate of Applied Science
AAT: Associate of Applied Technology
AAT: Associate of Arts in Teaching
ABEng: Associate Member of the Association of Building Engineers
ABIA: Associate, Bankers' Institute of Australasia
ABIPP: Associate, British Institute of Professional Photography
ABIST: Associate, British Institute of Surgical Technology
ABPsS: Associate, British Psychological Society
ABSM: Associate, Birmingham and Midland Institute School of Music
ACA: Associate, Institute of Chartered Accountants
ACCA: Associate, Chartered Association of Certified Accountants
ACCS: Associate, Corporation of Secretaries
ACIArb: Associate, Chartered Institute of Arbitrators
ACIB: Associate, Chartered Institute of Bankers
ACIBS: Associate, Chartered Institute of Bankers in Scotland
ACII: Associate, Chartered Insurance Institute
ACIOB: Associate, Chartered Institute of Building
ACIPA: Associate, Chartered Institute of Patent Agents
ACIPD: Associate, Chartered Institute of Personnel and Development
ACIS: Associate, Institute of Chartered Secretaries and Administrators
ACIT: Associate, Chartered Institute of Transport
ACLS: Advanced Cardiac Life Support
ACMA: Associate, Chartered Institute of Management Accountants
ACMI: Associate, Chartered Management Institute
ACNP-BC: Acute Care Nurse Practitioner - Board Certified
ACP: Applied Cognitive Psychology
ACP: Associate, College of Preceptors

ACRN: AIDS Certified Registered Nurse
ACSM: Associate, Camborne School of Mines

ADN: Associate Degree in Nursing
ADN: Associate's Degree in Nursing
AEMSN: Alternate Entry Master of Science in Nursing

AFAIM: Associate Fellow, Australian Institute of Management

AFBPsS: Associate Fellow, British Psychological Society

AFIMA: Associate Fellow, Institute of Mathematics and its Applications