Cognomen 奎因 (Quinn 
, Quin , Quine ) , in the world, is a widespread surname. The last name 奎因 is characteristic of Northern Europe, particularly Ireland, where it is a common surname, Jersey, where it is quite a common surname, and Isle of Man (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Ireland. Much less frequently, 奎因 is the forename as well as the last name.