Cognomen Wīn (Wain 
, ဝိုင် , Wīn ) , all over the world, is quite a common surname. The family name Wīn is habitual in the United Kingdom, where it is quite a rare surname, Malta, and Myanmar. Measured by absolute frequency, the name is most common in the United Kingdom, Myanmar, and the United States. Much less frequently, Wīn is the forename as well as the last name.