Family name Rattanatrai (Rattanatrai 
) , throughout the world, is a rare surname. The last name Rattanatrai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Rattanatrai is the forename as well as the last name.
Mai, Chutikarn, Patcharee, Prasroeth, Lalitphat, Natthawat, Naiyaphat, Nalinthip, Waritthon, Wongwaree, Atcharawan, Kiattipong, Theerapath, Theeraphat, Naruethaikan, Natchaphon, Chitikarn, Nonthaphat, Worrarat, Naiyapat, Udom, Artit, Athit, Pimpis, Montisa, Sudawan, Phannee, Jintana, Virawat, Phloentri, Jittapha, Thitiwat, Tueanchai, Natthida, Natnicha, Worrawat, and Nonthapath