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