The term TTV may refer to:

• Twitch.tv, a live video streaming platform
• T. T. V. Dhinakaran Indian politician and General Secretary of Amma Makkal Munnettra Kazagam
• Taiwan Television
  • TTV Main Channel (Chinese: 台視主頻)
  • TTV Family (Chinese: 台視家庭台)
  • TTV Finance (Chinese: 台視財經台)
  • TTV Health (Chinese: 台視綜合台)
  • TTV World (Chinese: 台視國際台)
• TTV (Poland), a Polish television channel
• TechTV
• Tallinna TV
• "TTV", the second track on the 2001 album Fahrenheit Fair Enough by Telefon Tel Aviv
• Thistle TV, a defunct local television channel in Lanarkshire, Scotland
• Through the Viewfinder photography
• Time to value
• Transfusion Transmitted Virus or Torque teno virus
• Transit Timing Variation, a method for detecting exoplanets
• True the Vote, a US non-profit vote-monitoring organization