Cognomen Inosa (Inosa 
) , in the world, is a rare surname. The surname Inosa is habitual in Nigeria, where it is a very rare surname, Philippines, and India, where it is an extremely rare surname. Also, Inosa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inosa | Spain, Philippines, India, Japan, Nigeria |