Last name Jiamjai (Jiamjai 
) , in the world, is a very rare cognomen. The cognomen Jiamjai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Jiamjai is the forename as well as the last name.
Piwin, Panpattanagul, Kongsupalug, Chunchalean, Khongsuphalak, Kongthong, Hengseng, Noppakukkajorn, Nookraihong, Thongsuk, Kongsupaluck, Jeppesen, Kitpowsong, Chusuwan, Yeesanee, Wongkai, Vanzant, Bigelow, Seangsi, Ketmai, Puwin, Phanaram, and Noppakunkajorn