Last name เพ็ญศิรินภา (เพ็ญศิรินภา 
) , in the world, is a very rare cognomen. The family name เพ็ญศิรินภา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, เพ็ญศิรินภา is the forename as well as the last name.