| Acronym | Definition |
|---|
| CIOS➣Combined Intelligence Objectives Sub-Committee |
| CIOS➣Communication Institute for Online Scholarship |
| CIOS➣Computer Information and Office Systems (education) |
| CIOS➣Cornwall and the Isles of Scilly (England, UK) |
| CIOS➣Claim Imaging Operation Services (insurance) |
| CIOS➣Channel Island Occupation Society (Channel Islands) |
| CIOS➣Central Imaging Operation Services |