Surname Orrathai (Orrathai 
) , globally, is a very rare cognomen. The cognomen Orrathai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, Orrathai is the forename as well as the last name.
Wu, Kudtalang, Klangrach, Photilert, Sangsawat, Suttinuan, Chaichana, Kanhachai, Kittisirot, Jongjarern, Taweekoon, Theanseemoung, Thepburee, Thongsiri, Navinudomsub, Na Lampang, Sutthisaen, Kaewpitoon, Kojaroenrat, Prathumsai, Eagleberger, Charoenpetchsamut, Boonsang, Chaianusorn, Srihakot, Srimuang, Munee, Kriso, Sanson, Saisod, Sukorn, Sutlek, Sakpunpanom, Saeyang, Seayang, Chaisen, Kasemarunrutsamee, Chuemkeaw, Butwong, Buanual, Kongsua, Duangin, Tongkam, Nienpetch, Ninkhong, Noiwanna, Seenoykhaw, Sonpaiboon, Buttara, and Rattananusorn