PCOS
| Acronym | Definition |
|---|---|
| PCOS | Polycystic Ovarian Syndrome |
| PCOS | Precinct Count Optical Scan (hardware) |
| PCOS | Personal Computer Operating System (Olivetti PC) |
| PCOS | Presbyterian Church of Sudan |
| PCOS | Partial Coronary Obstructive Syndrome |
| PCOS | Park Cities Obedience School (Dallas, TX) |