TDDA
| Acronym | Definition |
|---|---|
| TDDA | Trincomalee District Development Association (Sri Lanka) |
| TDDA | Toronto Digestive Disease Associates (Canada) |
| TDDA | Tridodecylamine (chemistry) |
| TDDA | Tryon Downtown Development Association (Tryon, NC) |
| TDDA | Troy Downtown Development Authority (Troy, MI) |