| RPU | Radio Processing Unit 
| Others |
| RPU | Radio Processing Units
| Others |
| RPU | Rainbow Pride Union
| Others |
| RPU | Raman pumping unit
| Others |
| RPU | Rapid Prototype Unit
| Others |
| RPU | Ray Processing Unit
| Others |
| RPU | Read character and Print Upsidedown
| Others |
| RPU | Reception Processing Unit
| Others |
| RPU | Reconfigurable Processing Unit
| Others |
| RPU | Reduced Paid Up
| Others |
| RPU | Redundant Power Unit
| Others |
| RPU | Refugee Processing Unit
| Others |
| RPU | Regional Policy Unit
| Others |
| RPU | Regional Premier Upgrade
| Others |
| RPU | Regional Premier Upgrades
| Others |
| RPU | Remote Pickup Unit
| Others |
| RPU | Remote Power Unit
| Others |
| RPU | Remote Processor Unit
| Others |
| RPU | Repair Parts Upgrades
| Others |
| RPU | Residence Penalty Unit
| Others |
| RPU | Resistive Processing Unit
| Others |
| RPU | Resource Planning Unlimited
| Others |
| RPU | Retrograde Pericatheter Urethrography
| Others |
| RPU | Return Preparation Utility
| Others |
| RPU | Revenue Per User
| Others |
| RPU | Rhino Protection Unit
| Others |
| RPU | Right of Perpetual Usufruct
| Others |
| RPU | Riverside Public Utilities
| Others |
| RPU | Road Policing Unit
| Others |
| RPU | Roads Policing Unit
| Others |
| RPU | Roadster Pick Up
| Others |
| RPU | Rochester Public Utilities
| Others |
| RPU | Royal Prune University
| Others |
| RPU | Runs Per Uses
| Others |
| RPU | Ryerson Polytechnic University
| Others |