Ilyas dynasty or Iliyas dynasty or Iliyas Shahi dynasty was the first independent Turkic Muslim ruling dynasty in late medieval Bengal, which ruled from the 14th century to the 15th century. The dynasty was founded by Ilyas Shah (1342–1358), who succeeded to achieve the political unity of Bengal and begin what is known as the Sultanate of Bengal. In 1352, after defeating Ikhtiyaruddin Ghazi Shah and Ilias Shah became the ruler of Sonargaon.