| Acronym | Definition |
|---|
| RPN➣Reverse Polish Notation (aka postfix notation) |
| RPN➣Risk Priority Number (FMEA) |
| RPN➣Reverse Polish Notation |
| RPN➣Real Audio Plug-in |
| RPN➣Registered Parameter Number |
| RPN➣Registered Practical Nurse |
| RPN➣Responsible Purchasing Network |
| RPN➣Registered Psychiatric Nurse |
| RPN➣Radio Philippines Network |
| RPN➣Rassemblement Politique Nouveau (French: New Political Rally) |
| RPN➣Remote Plasma Nitridation |
| RPN➣Rover Plus Nine (softball supply company) |
| RPN➣Régie Publicitaire Nationale (French: National Advertising Agency) |
| RPN➣Rhône Provence Nucléaire (French nuclear program network) |
| RPN➣Real Private Network |
| RPN➣Role Play Nation |
| RPN➣Reserve Personnel, Navy |
| RPN➣Red de Proveedores Negociados (Guatemala) |
| RPN➣Routed Private Network (Cosine Communications) |
| RPN➣Reduced Pyridine Nucleotide |
| RPN➣Relational Petri Net |
| RPN➣Research Professionals Network (ASKA Research; Vancouver, BC, Canada) |
| RPN➣Res Publica Nostra (Latin: Our Republic, epigraphy) |
| RPN➣Rockwell Part Number |
| RPN➣Rosh Pina, Israel - Mahanayim Airport (airport code) |
| RPN➣Reserve Pay Navy |
| RPN➣Reset Petri Nets |
| RPN➣Rotating Plug Nozzle |