TTAB
| 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 |