Cognomen Ниина (Niina 
, 新名 
, Ниина 
) , worldwide, is a rare surname. The last name Ниина is habitual in Algeria, where it is a rare surname, Finland, and Ghana. Not in comparison with a country's population, the name is most common in Algeria, Ghana, and China. More prevalently, Ниина is the forename as well as the last name.