Cognomen บรมเดช (บรมเดช 
, Baromdech , Boridet ) , all over the world, is a rare family name. The cognomen บรมเดช is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, บรมเดช is the forename as well as the last name.
ดิถีเพ็ง, and สกุลวิโรจน์