Surname Naruthai (นฤทัย 
, Naruthai 
) , in the world, is a rare cognomen. The last name Naruthai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much more prevalently, Naruthai is the forename as well as the last name.
Port, Buathong, Pallamueng, Pengying, Danpongpee, Datthongjan, Tachasub, Waraporn, Chuayplod, Chaywichean, Rittichai, Daenphongpee, Daenphongphee, Tansukasem, Tabtimhin, Thanasane, Thongfaung, Kaocharee, Chaipieam, Chaingao, Sangkarn, Domon, Tolar, Techo, Srisuk, Aoikham, Subsukhon, Chairat, Chairut, Chuenta, Komanee, Khwanoon, Kumthep, Klinadung, Pareewong, Loypradit, Jongyin, Thumchat, Kuntaseemachalerm, and Ritthichai