| Acronym | Definition |
|---|
| YACS➣Yet Another Community System |
| YACS➣Yahoo Audio Conferencing System |
| YACS➣Young Adult Cancer Survivors (cancer-survivor social group) |
| YACS➣Yale Adherence and Competence Scale (behavioral research) |
| YACS➣Yet Another Curta Simulator (VRML Simulation of the Famous Curta Mechanical Calculator) |
| YACS➣You Are Correct, Sir |
| YACS➣Years of Active Commissioned Service |