Last name ภิญโญรัตน์ (ภิญโญรัตน์ 
) , in the entire world, is an extremely rare family name. The cognomen ภิญโญรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ภิญโญรัตน์ is the forename as well as the last name.