Family name Itoko (Itoko 
) , in the world, is quite a rare cognomen. The cognomen Itoko is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a rare surname, and Nigeria, where it is a very rare surname. Likewise, Itoko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Itoko | Brazil, Japan, Nigeria, United States, Democratic Republic of the Congo |