Family name แก้วพิกุลชัยรัตน์ (แก้วพิกุลชัยรัตน์, Keawpikulchairat 
) , globally, is an extremely rare last name. The family name แก้วพิกุลชัยรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.