Cognomen หวย (會 
, หวย 
, Lotey 
) , in the entire world, is quite a rare family name. The surname หวย is characteristic of Bhutan, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and China. In absolute terms, the name is most common in China, Bhutan, and India. Very seldom, หวย is the forename as well as the last name.