CIUS
| Acronym | Definition |
|---|---|
| CIUS | Crime in the United States (FBI publication) |
| CIUS | Canadian Institute of Ukrainian Studies |
| CIUS | Conseil International des Unions Scientifiques (French: International Council of Scientific Unions; Canada) |
| CIUS | Canadian Internet Use Survey |
| CIUS | Computer and Internet Use Supplements (US Census Bureau) |
| CIUS | Corps Interim Upgrade System |