| Acronym | Definition |
|---|
| TSCA➣Toxic Substances Control Act of 1976 (15 USC) |
| TSCA➣Traditional Small Craft Association (Mystic, CT, USA) |
| TSCA➣Threatened Species Conservation Act (Australia) |
| TSCA➣Texas Speech Communication Association (est. 1975) |
| TSCA➣Tibetan Spaniel Club of America |
| TSCA➣Tax-Sheltered Custodial Account (investments) |
| TSCA➣Traditional Siamese Cat Association (UK) |
| TSCA➣Toy Soldier Collectors of America |
| TSCA➣Texas Shrine Clown Association |
| TSCA➣Theater Signal Command - Army |