XT
XT is the abbreviation of:
- EXtended Technology, see IBM Personal Computer XT
- X Toolkit, a simple GUI library for the X Window System
- Yamaha XT series of bikes from Yamaha, includes XT 250, XT 350, XT 500, XT 550, XT 600, XT 660R XT 660Z Ténéré XT 1200Z Super Ténéré
- Xt: Commerce having built on osCommerce online store system
XT as distinguishing signs on license plate:
- Disambiguation
- Abbreviation