Lehun (Arabic: الياهون, romanized: Al Yahoun), also known as al-Lahun or Khirbet Lahun, is an archaeological site in Madaba Governorate, Jordan.

The site has been occupied since prehistory, through the Bronze Age, Iron Age, Nabati and Islamic periods and until the Ottoman period. The most important monuments of the site: an agricultural village dating back to the Bronze Age, mills and contemporaries, a castle, a Roman temple and fortifications in addition to a Nabati temple and a village, and evidence of stability in the Byzantine and Islamic periods.