| Acronym | Definition |
|---|
| PPY | Professional Photographer of the Year (award) |
| PPY | Prior-Prior Year (Free Application for Federal Student Aid) |
| PPY | Polypyrrole |
| PPY | Pancreatic Polypeptide |
| PPY | Polymer Polypyrrole |
| PPY | Press Photographer's Year (photographic competition) |
| PPY | Pronatura Peninsula de Yucatan, A.C. |
| PPY | Petite Princess Yucie (Japanese anime) |
| PPY | Puchi Puri Yucie (Japanese anime) |
| PPY | Person per Year |
| PPY | Prestbury and Pittville Youth (UK) |
| PPY | Planla - Projelendir - Yonet (Turkish: Plan - Project - Manage; company in Beylikdüzü, VD, Turkey) |
| PPY | Professional Per Year |