| Acronym | Definition |
|---|
| TTSB➣Theater Tactical Signal Brigade (US Army) |
| TTSB➣Take That Spina Bifida |
| TTSB➣Training Task Selection Board |
| TTSB➣Time-Triggered Sensor Bus (computer network protocol) |
| TTSB➣Two-Tier Stationary Bench (greenhouse bench) |
| TTSB➣Tatchi Trading Sdn. Bhd. (Malaysia) |
| TTSB➣Tactical Theater Signal Battalion (US Army) |
| TTSB➣Tongwynlais Temperance Silver Band (brass orchestra) |
| TTSB➣Tenaga Tiub Sdn. Bhd. (Malay: Energy Tubes Sdn. Bhd.) |
| TTSB➣Tepat Teknik Sdn. Bhd. (Malay: Accurate Engineering Co., Ltd.) |