| Acronym | Definition |
|---|
| CLSS➣Closed Life Support System |
| CLSS➣Combat Logistic Support Squadron (US DoD) |
| CLSS➣Closed Center Load Sensing System |
| CLSS➣Certified Lodging Security Supervisor |
| CLSS➣Clandestine Laboratory Seizure System (US DOJ) |
| CLSS➣Combat Logistics Support System |
| CLSS➣Certified Lean Six Sigma (Black Belt exam) |