T9
T9 stands for:
- Occasionally used abbreviation for the association of the leading technical universities in Germany 9 TU9
- Text on 9 keys, an invention to simplify writing SMS on mobile phones
- T9 (band), a rock band from Beijing
- Prussian T 9, T Württemberg 9 or Alsace -Lorraine T 9, steam locomotives of the respective State Railway
- The aircraft designator of the two countries Bosnia and Herzegovina
- Soyuz T -9, a mission name for a Rus spaceflight
- A spectral class of celestial bodies, see Brown Dwarf
- A size specification of fluorescent lamps, see fluorescent tube
- Disambiguation
- Abbreviation