OIG
| Acronym | Definition |
|---|---|
| OIG | Office of Inspector General (Department of Health & Human Services) |
| OIG | Office of the Inspector General |
| OIG | OSPF (Open Shortest Path First) Interoperability Group |
| OIG | Organisation Intergouvernementale (French: Intergovernmental Organization) |
| OIG | Orbital Information Group |
| OIG | Order of Ikhamanga (South Africa) |
| OIG | Object Interaction Graph |
| OIG | Options d'Intérêt Général (French: General Interest Options) |
| OIG | Oberst Im Generalstabdienst (Colonel - Germany) |