FTSN
| Acronym | Definition |
|---|---|
| FTSN | Flexible Terminal Sensor Network |
| FTSN | Fighting Tyranny Social Network |
| FTSN | Family Trauma Survivors' Network |
| FTSN | Seaman, Fire Control Technician Striker (Naval Rating) |
| FTSN | Fighting Tyranny for Salvation Network (est. 2008) |