Cognomen ヤム (Yam 
, ヤム 
) , throughout the world, is a widespread surname. The last name ヤム is habitual in Hong Kong, where it is quite a common surname, Bermuda, and Malaysia (explore the name in all countries). In absolute terms, the name is most common in India, Mexico, and Malaysia. Also, ヤム is the forename as well as the last name.