| Acronym | Definition |
|---|
| CSNS➣Central States Numismatic Society |
| CSNS➣Ceska Strana Narodne Socialni (Czech National Social Party) |
| CSNS➣Council of State Neurosurgical Societies (est. 1978) |
| CSNS➣Canadian Society for Nutritional Sciences |
| CSNS➣Circuit-Switched Network Simulator |
| CSNS➣Canadian Studies and Native Studies (graduate program; Trent University; Ontario, Canada) |