Surname วิธัญญู (วิธัญญู ) , in the world, is an extremely rare family name. Much more frequently, วิธัญญู is the forename as well as the last name.
เดียวตระกูล, วงศ์พรหม, and วิบูลย์มงคลชัย
) , in the world, is an extremely rare family name. Much more frequently, วิธัญญู is the forename as well as the last name.