Cognomen ニン (Ning 
, Nin , Ninh ) , worldwide, is a widespread surname. The last name ニン is characteristic of Malaysia, where it is quite a common surname, Myanmar, and Cayman Islands (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in China, Myanmar, and Malaysia. Likewise, ニン is the forename as well as the last name.