Family name Oriku (Oriku 
) , in the world, is a rare cognomen. The last name Oriku is characteristic of Kenya, where it is a rare surname, Nigeria, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Likewise, Oriku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oriku | United Kingdom, Japan, Kenya, United States, Nigeria |