Cognomen ปัญญาเดช (ปัญญาเดช 
, Panyadet , Panyatep ) , all around the world, is a very rare family name. The last name ปัญญาเดช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ปัญญาเดช is the forename as well as the last name.