TTA

TTA may refer to

• Tan Tan Airport, Morocco, IATA code
• Teacher Training Agency, former name of the Training and Development Agency for Schools, England
• Technical Theatre Awards, UK
• Terran Trade Authority, the setting for a series of science-fiction books
• Tetradecylthioacetic Acid, a fatty acid
• The Tough Alliance, a synthpop duo from Sweden
• Tibial tuberosity advancement, a knee operation in dogs
• Toledo Technology Academy, a public high school in Toledo, Ohio, US
• Tomorrowland Transit Authority, a ride at Walt Disney World
• TTA – Racing Elite League, a Swedish touring car championship.
• Tramway Touristique de l'Aisne, a tourist tramway in Belgium
• Transport triggered architecture, computer processor design
• Triangle Transit Authority, a regional transit service in North Carolina, US
• Tri-State Transit Authority, a transit service in the Huntington, West Virginia, US area
• TTA (codec), True Audio codec
• Transport Ticketing Authority, Victoria, Australia
• Ṭa (Indic), the eleventh consonant of Indic abugidas