Family name Kuinn (Kuinn 
) , all around the world, is a very rare surname. The cognomen Kuinn is characteristic of Estonia, where it is a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Malaysia, the United States, and Estonia. Very seldom, Kuinn is the forename as well as the last name.