| RPN | Risk Priority Number | 风险关键指数 |
| RPN | Rosh Pina, Israel - Mahanayim Airport (airport code) | 以色列Rosh Pina-Mahanayim机场（机场代码） |
| RPN | Real Professional Nurses | 真正的专业护士 |
| RPN | Remote Plasma Nitridation | 远程等离子氮化 |
| RPN | Registered Parameter Number | 注册参数编号 |
| RPN | Rich Partner Network | 丰富的合作伙伴网络 |
| RPN | Rosh Pina, Israel | Rosh Pina，以色列 |
| RPN | Registered Professional Nurse | 注册专业护士 |
| RPN | Registered Practical Nurse | 注册实习护士 |
| RPN | Research Professionals Network (ASKA Research; Vancouver, BC, Canada) | 研究专业人员网络（ASKA Research；加拿大不列颠哥伦比亚省温哥华） |
| RPN | Rotating Plug Nozzle | 旋转塞式喷嘴 |
| RPN | Routed Private Network (Cosine Communications) | 路由专用网络（余弦通信） |
| RPN | Reset Petri Nets | 重置Petri网 |
| RPN | Reverse Polish Notation (aka postfix notation) | 反向波兰符号（又称后缀符号） |
| RPN | Reserve Personnel, Navy | 海军预备役人员 |
| RPN | Res Publica Nostra (Latin: Our Republic, epigraphy) | Res Publica Nostra（拉丁语：我们的共和国，金石学） |
| RPN | Reserve Pay Navy | 海军预备费 |
| RPN | Red de Proveedores Negociados (Guatemala) | Red de Proveedores Negociados（危地马拉） |
| RPN | Reverse Polish Notation | 反向波兰符号 |
| RPN | renal papillary necrosis | 肾乳头状坏死 |
| RPN | Relational Petri Net | 关系Petri网 |
| RPN | Risk Priority Number (FMEA) | 风险优先级编号（FMEA） |
| RPN | Real Private Network | 真正的专用网络 |
| RPN | Radio Philippines Network | 菲律宾广播网 |
| RPN | Rockwell Part Number | 罗克韦尔零件号 |