Sheikh Mansur (born Ushurma or Uchermak, c. 1760 – 13 April 1794) was a Chechen military commander and Islamic leader who led a resistance movement against Russian expansion into the Caucasus from 1785 until his capture in 1791. Sheikh Mansur is considered the first leader of the resistance in the North Caucasus against Russian imperialism. He remains a hero of the Chechen and North Caucasian peoples in general, and their struggle for independence.