TLAS
| Acronym | Definition |
|---|---|
| TLAS | Thai Laboratory Accreditation Scheme (est. 1987; Thai Industrial Standards Institute; Thailand) |
| TLAS | Timber Legality Assurance System (timber import guarantees; EU) |
| TLAS | Toledo Legal Aid Society (Toledo, OH) |
| TLAS | TDRSS Look Angle System |
| TLAS | Transactions of the Leicestershire Archaeological Society (UK) |
| TLAS | Terminal Low Amplitude Signals (biomagnetism) |