| TNA | Jinan, Mainland China 
| Others |
| TNA | Tactics 'N Assault
| Others |
| TNA | Tal Net Assets
| Others |
| TNA | tal Nonstop Action
| Others |
| TNA | Talking No Action
| Others |
| TNA | tally New Action
| Others |
| TNA | tally Nothing Accomplished
| Others |
| TNA | Talula Nation Athletics
| Others |
| TNA | Talula National Athletics
| Others |
| TNA | Talula North America
| Others |
| TNA | Tamil National Alliance
| Others |
| TNA | Tamil National Army
| Others |
| TNA | Tarrant Nephrology Associates
| Others |
| TNA | Taskbar Notification Application
| Others |
| TNA | Taskbar Notification Area
| Others |
| TNA | Tcl Namespace Analyzer
| Others |
| TNA | Teacher Negotiation Act
| Others |
| TNA | Teacher Negotiations Act
| Others |
| TNA | Team Nemesis Accessories
| Others |
| TNA | Technology Needs Assessment
| Others |
| TNA | Technology Needs Assessments
| Others |
| TNA | Temporarily Not Available
| Others |
| TNA | Temporary Nurse Aide
| Others |
| TNA | Tennessee Nurses Association
| Others |
| TNA | Test N Albert
| Others |
| TNA | Texas Numismatic Association
| Others |
| TNA | Texas Nurses Association
| Others |
| TNA | Texas Nursing Association
| Others |
| TNA | Thai News Agency
| Others |
| TNA | The National Archives
| Others |
| TNA | The New Age
| Others |
| TNA | The New Agency
| Others |
| TNA | The Nitro Assassin
| Others |
| TNA | Thermal Neutron Analysis
| Others |
| TNA | Threofuranosyl Nucleic Acid
| Others |
| TNA | Threose Nucleic Acid
| Others |
| TNA | Time And Action
| Others |
| TNA | Tits N Arse
| Others |
| TNA | Tonsils aNd Adnoids
| Others |
| TNA | Torque and Angle
| Others |
| TNA | Total Nail Avulsion
| Others |
| TNA | Total Nonstop Action
| Others |
| TNA | Total Nucleic Acid
| Others |
| TNA | Total Nutrient Admixture
| Others |
| TNA | Totally New Action
| Others |
| TNA | Toxin Neutralization Assays
| Others |
| TNA | Toyo Tire North America
| Others |
| TNA | Toyota North America
| Others |
| TNA | Track Night in America
| Others |
| TNA | Traffic Network ADS
| Others |
| TNA | Trainee Nursing Associates
| Others |
| TNA | Training Need Assessment
| Others |
| TNA | Training Needs Analysis
| Others |
| TNA | Training Needs Anaysis
| Others |
| TNA | Transient Network Analysis
| Others |
| TNA | Transient Neurologic Attack
| Others |
| TNA | Transitions Not Allowed
| Others |
| TNA | Transthoracic Needle Aspiration
| Others |
| TNA | Tri-Nucleic-Acid
| Others |
| TNA | Trigeminal Neuralgia Association
| Others |
| TNA | Trucks N Action
| Others |
| TNA | Tuesday Night Alive
| Others |
| TNA | Tuesday Ninth April
| Others |