TNA
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