Family name Wichayut (Wichayut 
, วิชยุต ) , all over the world, is an extremely rare last name. The cognomen Wichayut is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Wichayut is the forename as well as the last name.
Srifa, Reankittiwat, Ruamsilp, Nuankaew, Eaksarayut, Utarasak, Siwaborworn, Suttabongoch, Chiocharn, Reanthonglert, Taweebunyakul, Smithchaijularat, Angsupanich, Aphiromphaisakun, Punthanapluck, Durongpongkasem, Tanakititum, Thammaboon, Thongsamut, Sutthiprapha, Klangchamnan, Thawiphanyakul, Kllangchamnan, Kulweeraaree, Kongkaew, Kongsiri, Sukkho, Arthan, Petrat, Dumpuak, Luehan, Meechai, Samathi, Singvejsakul, Chotsri, Liewkunupakarn, Sangsuriyong, Loungon, Wankama, Wichian, Wongmak, Sanphetch, Subrungtavepol, Senaphak, Chuprawat, Chusungkit, Boungthong, Bungthong, Jiwakul, and Rattanavaleepong