| Acronym | Definition |
|---|
| CUIS➣Cumberland Island National Seashore (US National Park Service) |
| CUIS➣Credit Union Insurance Services |
| CUIS➣Computer Users Information Service (Oxford, England, UK) |
| CUIS➣Colorado United Irish Societies (est. 1995) |
| CUIS➣Cardiff University Islamic Society (United Kingdom) |
| CUIS➣Cambridge University Industrial Society (UK) |