Family name Winijchai (Winijchai 
) , globally, is a very rare cognomen. The family name Winijchai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Winijchai is the forename as well as the last name.
Pat, Suthai, Pakron, Runjuan, Thakoon, Chutinan, Pakkanan, Wutthilert, and Chompunutch