| Acronym | Definition |
|---|
| TCNS➣Thomas Conrad Networking System |
| TCNS➣Transcultural Nursing Society |
| TCNS➣Tower Construction Notification System (FCC to help with compliance of law related to Native American cultural site consultation) |
| TCNS➣Transition-Controllable Noise Source (circuits) |
| TCNS➣Thomas-Conrad Network System |
| TCNS➣TransCanada Network Services (Toronto, Ontario, Canada) |
| TCNS➣Total Computer Network Support Ltd (UK) |
| TCNS➣Telcordia Community Notification System |
| TCNS➣Tahoe Community Nursery School (Truckee, CA) |