Cognomen Катерина-Емма (Катерина-Емма 
) , around the world, is an extremely rare family name. Much more frequently, Катерина-Емма is the forename as well as the last name. Parts of the name also exists independently as a first name Катерина, and a first name Емма.
| VARIANT | COUNTRY |
|---|---|
| Катерина-Емма | Ukraine |