| OIG | Office of the Inspector General | 监察长办公室 |
| OIG | Orbital Information Group | 轨道信息组 |
| OIG | Object Interaction Graph | 对象交互图 |
| OIG | Office of Inspector General (Department of Health & Human Services) | 办公室的检察长(卫生部门和人类服务) |
| OIG | OSPF (Open Shortest Path First) Interoperability Group | OSPF（开放最短路径优先）互操作组 |
| OIG | Oberst Im Generalstabdienst (Colonel - Germany) | 陆军上将（上校-德国） |
| OIG | Office of Inspector General | 监察长办公室 |