| Abbreviation | Definition |
|---|---|
| RPL | Rated Power Level |
| RPLC | Replace |
| RPM | Rendezvous Pitch Maneuver |
| RPO | Radiation Protection Officer |
| RPO | Recovery Point Objective |
| RPO | Rendezvous Proximity Operations |
| RPOC | Remote Payload |
| RPP | Reinforced Pyrolytic Plastic |
| RPR | Remote Procedure Request |
| RPS | Record and Playback System |
| RPS | Record and Playback System (Subsystem) |
| RPS | Revolutions per Second |
| RPSF | Rotation, Processing and Surge Facility |
| RPT | Resident Provisioning Team |
| RPT | Rudder Pedal Transducer |
| RPTA | Rudder Pedal Transducer Assembly |
| RQ | Respiratory Quotient |
| RQI | Ride Quality Index |
| RQMT | Requirement |
| RQP | Requisition from Procurement |