| Abbreviation | Definition |
|---|---|
| GPD | Gimbal Position Display |
| GPES | Goal Performance Evaluation System |
| GPI | Gimbal Position Indicator |
| GPI | Ground Position Indicator |
| GPI | Guidance Positioning Instrument |
| GPID | Global Plasmasphere Ionosphere Density |
| GPL | General Purpose Laboratory |
| GPL | Goal Processing Language |
| GPM | Gallons Per Minute |
| GPM | Generic Payload Module |
| GPME | General Purpose Mission Equipment |
| GPR | Greenwich Photoheliographic Results |
| GPRN | GOAL (Ground Operations Aerospace Language) Test Procedure Release Notice |
| GPRSS | Green PCB Removal from Sediment Systems |
| GPS | Gallons Per Second |
| GPS | General Processing Subsystem |
| GPS | Ground Power Supply |
| GPS | Ground Processing Simulation |
| GPSA | Graduate and Professional Student Assembly |
| GPSS | General Purpose System Simulator |