- AFSS stands for Automated Flight Service Station
- AFSS stands for Automatic Fire Sprinkler System (protection)
- AFSS stands for Annual Fire Safety Statement
- AFSS stands for Autonomous Flight Safety System
- AFSS stands for Air Force Security Service
- AFSS stands for Automatic Fire Suppression System
- AFSS stands for Agent Facing Support Site (Denver, CO)
- AFSS stands for Alberta Frontier Shootists Society
- AFSS stands for Asia Fuzzy System Symposium
- AFSS stands for Advanced Fire Support System (US Army)
- AFSS stands for Armor & Fire Support Systems (US Marine Corps)
- AFSS stands for Administrative Fire Services Section (California Fire Chiefs Association)
- AFSS stands for Automatic Fire Sensing and Suppression
- AFSS stands for Active Frequency-Selective Surface
- AFSS stands for Agency Field Staff Support (insurance)
- AFSS stands for Automated/Automatic Fuel Service Station
- AFSS stands for Air Force Systems Security
AFSS