| Acronym | Definition |
|---|
| TTD | Total to Date |
| TTD | Trinidad and Tobago Dollar (Currency Unit, ISO) |
| TTD | Temporary Total Disability (insurance term) |
| TTD | Trash The Dress |
| TTD | Things To Do |
| TTD | Transport Tycoon Deluxe (video game) |
| TTD | Tirumala Tirupati Devasthanam (administrative board for Lord Venkateshwara Temple in Tirupati, Andhra Pradesh State, India) |
| TTD | Tirumala Tirupati Devasthanams |
| TTD | Terence Trent D'Arby (singer) |
| TTD | Top Thrill Dragster (Cedar Point, OH) |
| TTD | Transportation Trades Department (AFL-CIO) |
| TTD | Trichothiodystrophy |
| TTD | True-Time Delay |
| TTD | Thought Translation Device |
| TTD | Time to Die (gaming clan) |
| TTD | Time-To-Degree (National Research Council) |
| TTD | Tic Tac Dough (TV show) |
| TTD | Tactical Terrain Data |
| TTD | To the Dome (gaming clan) |
| TTD | Toilet Tissue Dispenser |
| TTD | Time to Deliver (computer science) |
| TTD | Thickened Tailings Disposal (mining) |
| TTD | Temporary Travel Document |
| TTD | Terminal Temperature Difference |
| TTD | technical task directive (US DoD) |
| TTD | Truncated Temporal Differences (artificial intelligence) |
| TTD | Tickled to Death (band) |
| TTD | Touch Tone Dialing |
| TTD | Transformation Technology Directorate |
| TTD | Tested to Destruction |
| TTD | Time Till Death |
| TTD | True Til Death (straight edge saying) |
| TTD | This Thread Delivers |
| TTD | Total Time of Dive |
| TTD | Technical Training Device |
| TTD | Tank Training Devices |
| TTD | There's the Door |
| TTD | Towed Torpedo Detector |
| TTD | The Transportation Directory |
| TTD | Teuf Teuf Douessin (French automobile club; est. 1985) |
| TTD | Tiny Tom Donuts (Vaughan, Ontario, Canada) |
| TTD | Take that Dude |
| TTD | Teacher Training Department |