Cognomen Wan Som (Wan Som 
) , all over the world, is an extremely rare surname. The surname Wan Som is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. More frequently, Wan Som is the forename as well as the last name.
Ahmad, Wan Nor, Bedullah, Wan Mamat, Wan Daud, Wan Ahmad, Wan Samat, Wan Hassan, Wan Yaacob, Wan Hanafi, Wan Ismail, Wan Ibrahim, and Binti Wan Ismail