| PDN | Prednisone | 强的松, 泼尼松 |
| PDN | Private Data Network | 个人数据网络 |
| PDN | Packet Data Network | 分组数据网 |
| PDN | Public data network | 公用数据网 |
| PDN | Postal Delivery Problem | 邮递网络问题 |
| PDN | Parndana, South Australia, Australia | 帕尔丹纳，南澳大利亚州，澳大利亚 |
| PDN | Peripheral Diabetic Neuropathy | 周围型糖尿病神经病变 |
| PDN | Positive Drain And Negative | 正极漏极和负极 |
| PDN | Payment Due Notice | 付款到期通知 |
| PDN | Programmers Distribution Network | 程序员分布网络 |
| PDN | Primary Database Network (ASEAN) | 主要数据库网络（东盟） |
| PDN | Private Duty Nursing | 私人护理 |
| PDN | Part Discontinuance Notice | 零件停产通知 |
| PDN | Pulse Digital Network | 脉冲数字网络 |
| PDN | Please do Needful | 请做Needful |
| PDN | Prescott Daily News | 普雷斯科特每日新闻 |
| PDN | Positive Delivery Notification | 肯定送达通知 |
| PDN | Perimeter Defense Network | 周界防御网络 |
| PDN | Pacific Daily News (Guam) | 太平洋每日新闻（关岛） |
| PDN | Preliminarily Defined Number | 初步定义的编号 |
| PDN | Proximal Diabetic Neuropathy | 近端糖尿病神经病变 |
| PDN | Patrol Developer Network (BMC Software) | 巡检开发人员网络（BMC软件） |
| PDN | Product Discontinuation Notice | 产品停产通知 |
| PDN | Procedure Departure Notice | 程序偏离通知 |