Surname Koriko (Koriko 
) , around the world, is a rare last name. The family name Koriko is characteristic of Togo, where it is quite a rare surname, Japan, where it is a rare surname, and Nigeria, where it is a very rare surname. Very seldom, Koriko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koriko | United States, Japan, Mexico, Togo, Nigeria |