Surname Níu (Niu 
, Nio 
, Níu) , worldwide, is a widespread last name. The surname Níu is habitual in Bermuda, where it is quite a common surname, Cayman Islands, and China (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in China, Indonesia, and Malaysia. Much less frequently, Níu is the forename as well as the last name.