Thula (Arabic: ثُلَاء, romanized: Thulāʾ) or Thila (Arabic: ثِلَاء, romanized: Thilāʾ) is a town in west-central Yemen. It is located in the 'Amran Governorate.

Thula is one of five towns in Yemen on the UNESCO World Heritage Tentative List. Dating to the Himyarite period, the town is very well preserved and includes traditional houses and mosques. Archaeological investigation discovered Sabaean period ruins with massive stone architecture beneath the Himyarite. Restoration between 2004 and 2011, restored the Bab al Mayah gate, several watch towers, paths, the traditional cistern, and other portions of the Sabaean fort.