GIU
| Acronym | Definition |
|---|---|
| GIU | Government Information Unit (Brades, Montserrat) |
| GIU | Global Intelligence Update |
| GIU | General Investigations Unit (PJIS Group) |
| GIU | General Industrial Use (land development) |
| GIU | Ground Interface Unit |
| GIU | General Intelligence Unit (US Navy) |