Cognomen Kullarat (Kullarat 
, กุลรัศมิ์ ) , across the world, is a very rare family name. The surname Kullarat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, Kullarat is the forename as well as the last name.
Kumon, Boonmusik, Bumrongphol, Kantakullanan, Kaewkamma, Poonpipatkit, Dansirikul, Jirametarat, Wisuttirat, Wisoottanawit, Udomjittirat, Suwannarat, Suvannarat, Chanowannachirapha, Boonsawang, Boonkongdilhokphat, Prakaikaew, Kongsurueang, Choomaung, Phongsathaporn, Srisuksai, Santikuakoolwong, Panya, Manyam, Manyen, Manyem, Madadam, Mad Adam, Mulkaew, Jansong, Saimanee, Sukkasem, Kongsrima, Kuntawong, Klaisook, Nanachai, Nakagawa, Weerapan, Udomtham, Suttiwong, and Wongthawornkit