CUIS
| 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) |