Great Perm or Perm Land, also known as the Principality of Perm (1451-1505), is a historical region and former principality along the Kama River in Russia. The city of Cherdyn was the center of the region.

The region is first mentioned in 1324. Vasily II of Moscow appointed a prince in 1451 to govern the region. Great Perm was formally dependent on Novgorod