Cognomen Phra Wichai (Phra Wichai 
) , in all the world, is an extremely rare surname. The last name Phra Wichai is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Phra Wichai is the forename as well as the last name.
Saeiam, Saadpongpai, Akachai, Chotiko, Wangdee, Sripanya, Saardphongphai, Pattanang, Phianphakdisakun, Sirichantol, Wachirayano, Thongpraphaiphak, and Rattanathammaporn