Family name Nattanai (Nattanai 
) , all over the world, is an extremely rare cognomen. The last name Nattanai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Nattanai is the forename as well as the last name.
Sriyom, Chaichana, Chaikhuankhan, Boonwisret, Krongchon, Potipantong, Rasmimanont, Tangchupong, Thitanuwong, Sirinarongchai, Chaiyakum, Chalermsak, Khaengkasikon, Kijkasemsawas, Pakdeeteerarachan, Prathummas, Rungnaphasiriwong, Janjarassri, Na Songkhla, Wongvattana, Chanpaiboonkit, Kantachavankul, Natakuathung, Sakdirath, Sangchuang, Ngiochiang, Chaowieng, Kaewluk, Phionin, Plathummas, Jaitham, Jengsuwan, Fongkhew, Sangsorn, Sangvaree, Sarajoom, Amorntevapat, Kaewkhuan, Pannoppa, Pongdara, Poolvoralaks, Roudreiw, Tangvipatanapong, Maneechod, Mongkutwisut, Srisawat, and Wongprasert