Cognomen ไหน่ (Nai 
, ไหน่) , all around the world, is a widespread surname. The last name ไหน่ is characteristic of Fiji, where it is quite a common surname, Myanmar, and Malaysia (explore the name in all countries). In absolute terms, it most frequently occurs in India, Myanmar, and China. Much less frequently, ไหน่ is the forename as well as the last name.