Last name เพ็ญนภาภรณ์ (เพ็ญนภาภรณ์ 
) , globally, is a very rare cognomen. The family name เพ็ญนภาภรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, เพ็ญนภาภรณ์ is the forename as well as the last name.