| Abbreviations | Meaning |
 | TMA | The Myositis Association |
 | TMAA | Texas Medical Auditors Association |
 | TMBHCO | Texas-Mexico Border Health Coordinating Office |
 | TMDA / AMT | Tunisian Muscular Dystrophy Association / Association Des Myopathes De Tunisie |
 | TMI | Thai Medical Informatics Society |
 | TMJ | TemporoMandibular Joint |
 | TMJA | TMJ Association |
 | TMOD | Treatment And Management Of Ocular Disease |
 | TMR | The Medical Reporter |
 | TMRI | Topics In Magnetic Resonance Imaging |
 | TMVC | Travellers Medical And Vaccination Centre |
 | TNA | Tennessee Nurses Association |
 | TNA | Texas Nurses Association |
 | TNA | Trigeminal Neuralgia Association |
 | TNCC | Trauma Nursing Core Course |
 | TNS | Transcultural Nursing Society |
 | TNT | Telephone Nursing Telezine [e-magazine] |
 | TOA | Texas Optometric Association |
 | TOA | Texas Orthopaedic Association |
 | TOD | Turk Ortodonti Dernegi. Turkish Orthodontic Society |
 | TOHA | Taiwan Occupational Hygiene Association |
 | TOMS | Team Oriented Medical Simulation |
 | TOS | Tennessee Orthopaedic Society |
 | TOXLINE | TOXicology Bibliographic Information OnLINE |
 | TOXLIT | TOXicology LITerature |
 | TOXNET | TOXicology Data NETwork |
 | TPA | Tennessee Pharmacists Association |
 | TPA | Texas Pharmacy Association |
 | TPN | The Perspectives Network |
 | TQM | Total Quality Management |
 | TRDRP | Tobacco-Related Disease Research Program |
 | TRI | Toxics Release Inventory |
 | TRIO | Transplant Recipients International Organization |
 | TRIP | Turning Research Into Practice [database] |
 | TRIPP | Teaching Resource For Instructors In Prehospital Pediatrics |
 | TROG | Trans-Tasman Radiation Oncology Group |
 | TROHPIQ | Towards Rural & Outback Health Professionals In Queensland |
 | TROPHI | Trials Register Of Promoting Health Interventions [database] |
 | TRS | Texas Radiological Society |
 | TS | Teratology Society |
 | TS | Tuberous Sclerosis |
 | TSA | Tourette Syndrome Association |
 | TSANZ | Thoracic Society Of Australia & New Zealand |
 | TSCA | Toxic Substances Control Act |
 | TSCATS | Toxic Substances Control Act Test Submissions Database |
 | TSDA | Thoracic Surgery Directors Association |
 | TSFRE | Thoracic Surgery Foundation For Research And Education |
 | TSHP | Texas Society Of Health-System Pharmacists |
 | TSP | The Sport Psychologist [periodical] |
 | TSS | Turner's Syndrome Society Of The United States |