Cognomen เจ้านาย (Bossboss 
, Bosss 
, เจ้านาย) , all around the world, is a very rare last name. The family name เจ้านาย is characteristic of Egypt, where it is a very rare surname, Indonesia, and Germany, where it is an extremely rare surname. Likewise, เจ้านาย is the forename as well as the last name.