CTSS
| Acronym | Definition |
|---|---|
| CTSS | Compatible Time Sharing System |
| CTSS | Cray Time Sharing System |
| CTSS | Conseiller Technique de Service Social (French: Social Service Technical Advisos) |
| CTSS | Cray Time-Sharing System |
| CTSS | Computer Training and Support Services |
| CTSS | Central Targeting Support Staff (US DoD) |
| CTSS | Computer Technical Support Specialist |
| CTSS | Commercial Training Simulator Services |
| CTSS | Committed To Store Separation |
| CTSS | Computer and Telecommunications Staff |
| CTSS | Combat Training Simulator System (Zen Technologies) |