| Acronym | Definition |
|---|
| CNSG➣Converged Network Services Group (various locations) |
| CNSG➣Commander, Naval Security Group (Command) |
| CNSG➣Canadian Network Systems Group (Mississauga, Ontario, Canada) |
| CNSG➣Computer and Network Security Group (Torino, Italy) |
| CNSG➣Consolidated Nuclear Steam Generator |
| CNSG➣Counter Narcotics Steering Group (est. 2004) |
| CNSG➣Country Night St. Gallen (Switzerland) |