YACS
| 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 |