Family name Kocchiu (Kocchiu 
) , across the world, is a very rare last name. The surname Kocchiu is characteristic of Peru, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Much less frequently, Kocchiu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kocchiu | Canada, Peru, United States |