Family name Wirat (วิรัตน์ 
, วิรัช , Wirat 
, along with others...) , all around the world, is quite a rare cognomen. The surname Wirat is characteristic of Thailand, where it is quite a rare surname, Indonesia, where it is a rare surname, and Belgium, where it is a very rare surname. Measured by absolute frequency, the name is most common in South-eastern Asia, particularly Thailand, Indonesia, and Malaysia. Much more frequently, Wirat is the forename as well as the last name.
Narin, Sumanaphan, Kaewthong, Pantapatkul, Pochaiyarach, Rotchomphoo, Luekhamhan, Thepsuwan, Thongkeaw, Mongkornthong, Kootiratragarn, Kulpakdeesingworn, Kingwichid, Phengsalae, Phengsalah, Rompanatham, Juntarakul, Tayangkanont, Thammapricha, Wirachuttikul, Pattanakaroon, Thamsathiean, Sameejaem, Sanitmajjaro, Muangphom, Iamsriploy, Butrat, Pansri, Pechrchawang, Somboon, Sriamorn, Choonui, Boonrak, Boonhai, Kamsrichan, Pombanta, Orsantinutsakul, Puikratog, Dissara, Lamaipan, Chueajak, Konglikit, Kussalasaiyanont, Prayooltem, Phromson, Riyaphan, Laosuwan, Leuangprasert, Rotkoet, and Wiriyasuebpong