| Acronym | Definition |
|---|
| TTAB➣Trademark Trial and Appeal Board |
| TTAB➣Travel and Tourism Advisory Board (est. 2003) |
| TTAB➣Tetradecyl Trimethyl Ammonium Bromide |
| TTAB➣Tumor Tissue and Biospecimen Bank (University of Pennsylvania; Philadelphia, PA) |
| TTAB➣Tourism Tax Advisory Board (Utah) |
| TTAB➣Technical Training Acceptance Board |