| Term | Full Form | Category |
|---|---|---|
| P/Y | Pitch/Yaw | Others |
| PY | Painted Yellow | Others |
| PY | Pascua Yaqui | Others |
| PY | Past Year | Others |
| PY | Patient Years | Others |
| PY | Patrol Yacht | Others |
| PY | Paymaster's Yeoman | Others |
| PY | Payment Year | Others |
| PY | Peierls Yoccoz | Others |
| PY | Person Years | Others |
| PY | Plan Year | Others |
| PY | Pondicherry, Puducherry![]() | Union Territory |
| PY | Portal Year | Others |
| PY | Presbyterian youth | Others |
| PY | Presumptive Yo | Others |
| PY | Previous Year | Others |
| PY | Prior Year | Others |
| PY | Program Year | Others |
| PY | Program Years | Others |
| PY | Promote Yourself | Others |
| PY | Ptyr Y | Others |
| PY | Publication Year | Others |
| PY | Python Code File | Others |
| PY | Python script file | Others |