| Acronym | Definition |
|---|
| GPIR➣General Purpose Infra Red |
| GPIR➣Grid Portal Information Repository |
| GPIR➣Ground-Penetrating imaging Radar |
| GPIR➣Grid Portals Information Repository (Texas Advanced Computing Center ) |
| GPIR➣Grand Portage Isle Royale (Transportation, Inc.) |
| GPIR➣General Purpose Intelligence Requirement |