Cognomen Vitchayut (Vitchayut 
) , in the entire world, is an extremely rare last name. Much more prevalently, Vitchayut is the forename as well as the last name.
Tupwongse, Chucheep, Mongkuntiwongsakul, Asavapakuna, Choosrichom, Phetsayanavim, and Phetsayanavin