BTLA
| Acronym | Definition |
|---|---|
| BTLA | B and T Lymphocyte Attenuator (cells) |
| BTLA | Board of Tax and Land Appeals (New Hampshire) |
| BTLA | Boone Tree Library Association (est. 1946; Tennessee and Virginia) |
| BTLA | Basal Temporal Language Area |
| BTLA | Belvedere-Tiburon Library Agency (est. 1955; Tiburon, CA) |
| BTLA | Brooklyn Town Library Association (Brooklyn, CT) |