TTD may refer to:
Places and organizationsEdit
- Tirumala Tirupati Devasthanams, an independent trust which manages the Sri Venkateswara Temple in Andhra Pradesh, India
- Portland-Troutdale Airport, IATA airport code
- The Trade Desk, NASDAQ symbol
EntertainmentEdit
- Tic-Tac-Dough, a game show
- Transport Tycoon Deluxe, a computer game
MedicineEdit
- Therapeutic Targets Database, a database to provide information about the known and explored therapeutic targets
- Trichothiodystrophy, a characteristic of Tay syndrome
Other usesEdit
- Trinidad and Tobago dollar, ISO 4217 currency code
- Terence Trent D'Arby, former stage name of singer Sananda Maitreya
- Tombstone Tenzan Driver, a variation of the piledriver move used by Japanese pro wrestler, Hiroyoshi Tenzan
- True time delay, an electrical property of a transmitting apparatus
- Top Thrill Dragster, the second tallest and third fastest roller coaster in the world located at Cedar Point
- Total Terminal Difficulty, the total number of hashes on a blockchain before a specific protocol upgrade will occur