| Acronym | Definition |
|---|
| CNIS➣Conseil National de l'Information Statistique (French: National Council of Statistical Information) |
| CNIS➣Canadian Network for International Surgery (Vancouver, BC Canada) |
| CNIS➣Centre National de l'Informatique et des Statistiques (French) |
| CNIS➣Coordinamento Nazionale degli Insegnanti Specializzati |
| CNIS➣Calling Number Identification Service |
| CNIS➣Computer Networks and ISDN (Integrated Services Digital Network) Systems (publication) |
| CNIS➣Channel Navigation Information Scheme |
| CNIS➣Carotid Noninvasive Studies |