Surname วิชุนันท์ (วิชุนันท์ 
, Wichunan ) , all around the world, is an extremely rare cognomen. The last name วิชุนันท์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, วิชุนันท์ is the forename as well as the last name.