Surname Kallayarat (Kallayarat 
) , around the globe, is an extremely rare last name. The family name Kallayarat is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Kallayarat is the forename as well as the last name.
Moonsri, Inthongkham, Navaratrungroj, Hanthamtheerawat, Khantasang, Kantangkul, Hanthamtreeravat, Thambanjong, Ruangrueang, Kallayanason, Pootrakoon, Kongthong, Sirilapyanonth, Leelarach, Kaewkanya, Andersen, Sombatnun, Limseree, Supaket, Petcharat, and Rattanachaya