Surname Niuila (Niuila 
) , throughout the world, is a very rare family name. The surname Niuila is habitual in New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Niuila is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niuila | Australia, New Zealand, United States, Brazil |