| Acronym | Definition |
|---|
| CNSC➣Canadian Nuclear Safety Commission (formerly the Atomic Energy Control Board, AECB) |
| CNSC➣Comisión Nacional del Servicio Civil (Spanish) |
| CNSC➣Churchill Northern Studies Centre (Canada) |
| CNSC➣Creative Needle Sewing Club |
| CNSC➣Certified Nutrition Support Clinician (healthcare) |
| CNSC➣Chinese Newcomers Service Center |
| CNSC➣Colts Neck Soccer Club (New Jersey) |
| CNSC➣Cargo Network Services Corporation |
| CNSC➣Canada National Salmon Conservation |
| CNSC➣Center for Nonviolent Social Change |