TNA stands for:

  • The National Archives
  • Total Nonstop Action Wrestling, an American wrestling organization
  • Animal, nature and species protection
  • Engl. Taskbar Notification Area, the Notifications panel in the control bar of the graphical user interface of an operating system
  • Technical and scientific applications, a teaching professional at universities
  • Tamil National Alliance, a coalition of Tamil parties
  • Thai News Agency, a Thai news agency
  • Technology - neutral Architecture, part of the New Generation Operations Systems and Software program

TNA -3 stands for:

  • Gyro navigation device
  • Disambiguation
  • Abbreviation