Family name Инь (Yin 
, In 
, Инь 
) , all around the world, is a prevalent last name. The family name Инь is habitual in Mongolia, where it is a prevalent surname, Malaysia, where it is a widespread surname, and Myanmar, where it is a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Malaysia, and Myanmar. Much less frequently, Инь is the forename as well as the last name.