English abbreviations from theed to thn
- THEED (Transmission High-Energy Electron Diffraction)
- THEGENTRY (The High-End Group of Earth's New Technologies Research Yield)
- THEI (Through His Eyes International)
- THEL (Tactical High Energy Laser ACTD)
- THEMIS ((instrumentation) Thermal Emission Imaging System, a camera on the Mars Odyssey spacecraft)
- THEO (Teens Helping Each Other)
- Theol. (Theologia ("Theology"))
- THERE (Teens Having Experiences of Random Energy)
- THERM (Thermometer Log)
- THES (Times Higher Education Supplement)
- THF (Tempelhof International Airport (closed 2008))
- THFC (Tottenham Hotspur Football Club)
- THG (Tetrahydrogestrinone)
- THH (The Horse's Hoof)
- THI (Tichitt Airport)
- Thia, Theolia. (Theologia ("Theology"))
- THIHIC (Texas Heart Institute Heart Information Center)
- THINK (Teaching Helping Inspiring Nurturing Kids)
- THK (Turk Hava Kuvvetleri (Turkish Air Force))
- THKS (Temporal Hybrid Knowledge Server)
- THL (Tachilek Airport)
- THM (TriHaloMethane)
- THMP (Terminal Homing Munitions Projectile)
- THMT (Tactical High Mobility Terminal)
- THN (Trollhättan-Vänersborg Airport)