| Acronym | Definition |
|---|
| TSSD➣Timpanogos Special Service District (Utah) |
| TSSD➣Toy Soldiers of San Diego (Fallbrook, CA) |
| TSSD➣Total State Service Date (North Carolina) |
| TSSD➣Tree Seed Suppliers Directory (World Agroforestry Centre; Nairobi, Kenya) |
| TSSD➣Transportation Security Situation Display (New York) |
| TSSD➣Training System Support Document (US DoD) |