Cognomen Adirak (Adirak 
) , in the entire world, is an extremely rare last name. The surname Adirak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Adirak is the forename as well as the last name.
Yasupi, Chaiprapha, Sereekiatdilok, Sawangwong, Yaowapong, Viboolsittis, Tachatamee, Khamphinu, Boonmaung, Chirdchoopongtrakul, Muangpruan, Thongching, Wongprom, Tuntisuchot, Thanwima, Tanyaphu, Chaiyapa, Chanmano, Makrudin, Yarungwong, Nammaclot, Poodtajan, Soivaree, Namphrarit, and Rattanawilai