| Acronym | Definition |
|---|
| TDAA➣Teacup Dogs Agility Association |
| TDAA➣True Digital Audio Amplifier |
| TDAA➣Training Development Analysis Activity (US Army) |
| TDAA➣total dissolved amino acids |
| TDAA➣The Digital Art Auction (est. 2000; UK) |
| TDAA➣Tennessee Dental Assistants' Association |