Cognomen Naiini (Naiini 
) , across the world, is a very rare last name. The cognomen Naiini is characteristic of Iran, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. Much less frequently, Naiini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naiini | India, United States, Iran |