| PYF | French Polynesia (ISO Country code) | 法属波利尼西亚（ISO国家代码） |
| PYF | Polish Youth Federation | 波兰青年联合会 |
| PYF | Presbyterian Youth Foundation | 长老会青年基金会 |
| PYF | Positive-Youth Foundation | 积极青年基金会 |
| PYF | Pay Yourself First (personal finance) | 先自己付钱（个人理财） |
| PYF | Pentecostal Youth Fellowship | 五旬节青年团契 |
| PYF | Premature Yeast Flocculation | 早熟酵母絮凝 |
| PYF | Post Your Favorite | 发布您的收藏夹 |
| PYF | Pay Yourself First | 先付钱给自己 |
| PYF | Presbyterian Youth Fellowship | 长老会青年团契 |
| PYF | Portland Youth Foundation | 波特兰青年基金会 |