Family name Ninaki (Ninaki 
) , around the world, is quite a rare cognomen. The last name Ninaki is habitual in Japan, where it is a rare surname, and Greece, where it is a very rare surname. Much less frequently, Ninaki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ninaki | Japan, India, Greece, United States |