Cognomen หย่ำ (Yam 
, หย่ำ) , around the globe, is a widespread last name. The surname หย่ำ is habitual in Hong Kong, where it is quite a common surname, Bermuda, and Malaysia (explore the name in all countries). Measured by absolute frequency, this name is the most popular in India, Mexico, and Malaysia. Also, หย่ำ is the forename as well as the last name.