- AHCS stands for Another Halo Comic Strip
- AHCS stands for Australian Home Care Services Pty. Ltd. (Victoria, Australia)
- AHCS stands for Adams-Hanover Counseling Services (Hanover, PA)
- AHCS stands for Achievement House Charter School (Bryn Marw, Pennsylvania)
- AHCS stands for Adaptive Hierarchical Coding Scheme
- AHCS stands for Air Hub Control System
AHCS