Cognomen Katherini (Katherini 
) , throughout the world, is an extremely rare surname. The surname Katherini is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Peru, where it is an extremely rare surname, and Mexico. More prevalently, Katherini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katherini | Tanzania, Brazil, United States, Peru, Venezuela |