Cognomen Pattanai (Pattanai 
) , all over the world, is a very rare family name. The family name Pattanai is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Pattanai is the forename as well as the last name.
Yodnui, Sagulrax, Kaewpheng, Kawinvasin, Pientham, Photanarat, Wisuphakan, Kaewphang, Photanarath, Innachitra, Luangtrakul, and Wongwanitkij