Cognomen วิทวิทย์ (วิทวิทย์ 
, Whithawit, Vittawit) , around the world, is an extremely rare surname. The surname วิทวิทย์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, วิทวิทย์ is the forename as well as the last name.