Last name Wiyanat (Wiyanat 
) , in the world, is a rare cognomen. The surname Wiyanat is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Maitree, Sathian, Sirinan, Poramat, Anukanda, Kwankhow, Prakasit, Puttatida, Thanruthai, Saranchit, Sutthinee, Phakamart, Jirasuwalak, and Sasiprapha