TTD

TTD may refer to:

• telecommunications devices for the deaf/Hearing Impaired
• Terence Trent D'Arby, a singer-songwriter (see Sananda Maitreya)
• Tic Tac Dough, a game show
• Trichothiodystrophy, a characteristic of Tay syndrome
• Tirumala Tirupati Devasthanams, an independent trust which manages the Sri Venkateshwara temple at Tirumala, Tirupati
• Top Thrill Dragster, a roller coaster at Cedar Point amusement park in Sandusky, Ohio, USA
• Transport Tycoon Deluxe, a computer game
• Trinidad and Tobago dollar, the official currency for the country
• Things to Do (as in a list; also called "Action Items")
• Time to Detection
• ICAO airport code for Portland-Troutdale Airport.
• Temporary Total Disability, a legal term often used in reference to a worker's inability to work.