Cognomen Sudhathai (Sudhathai 
) , across the world, is an extremely rare last name. Predominantly, Sudhathai is the forename as well as the last name.
Prasong, Mahawong, Phiophak, Thuandam, Suksriwong, Niyomtham, Chirasophon, Bunprasert, Kongmaneerat, Lertchalermsub, Jirasophon, Boonprasert, Khaminthakul, Rassameepech, Silarattanasap, and Tanapatpongsapas