- ACFS stands for Association of Certified Fraud Specialists
- ACFS stands for Assumption College for Sisters (Mendham, NJ)
- ACFS stands for Advanced Concepts Flight Simulator
- ACFS stands for Advanced Concept Flight Simulator (aviation)
- ACFS stands for American Collegiate Financial Services, Inc.
- ACFS stands for American Computer Science Foundation
- ACFS stands for Acrocardiofacial Syndrome
- ACFS stands for Advanced Cryptographic File System
- ACFS stands for Attitude Control Flight Software
ACFS