Cognomen ไวทยาภรณ์ (ไวทยาภรณ์ 
) , in the world, is a very rare family name. The last name ไวทยาภรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ไวทยาภรณ์ is the forename as well as the last name.