The name Niia is a popular name and parents adore it due to its significance on the character. Niia name meaning is Haired One (Reference To A Saint s Name) and it associate lucky number is 6. Niia is a versatile name that has been popular in the English-speaking world for many decades and Niia name meaning is also deep. Find out the pronunciation of Niia and other well-known baby names that sound similar to Niia in the United States of America (USA).