Cognomen Kiori (Kiori 
) , all around the world, is quite a rare family name. The last name Kiori is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, and Greece, where it is a rare surname. Much less frequently, Kiori is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kiori | India, Japan, Greece, United States, Democratic Republic of the Congo |