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:

  • Greece: Athens, kept for future approvals
  • Norway: Namsos in the province of Nord-Trøndelag
  • Disambiguation
  • Abbreviation