| Acronym | Definition |
|---|
| TCSB➣Traffic Control State Block |
| TCSB➣Trust & Custody Services Bank (Japan) |
| TCSB➣Technical Client Service Bureau (Universal Service Administrative Company) |
| TCSB➣Third Country Supply Base |
| TCSB➣Tri-County Symphonic Band (Sicklerville, NJ) |