Family name ניי (Nay 
, Ni , Nye 
) , in the world, is a widespread surname. The surname ניי is habitual in Mongolia, where it is a widespread surname, Myanmar, and Malaysia, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in China, Myanmar, and India. More prevalently, ניי is the forename as well as the last name.