Surname Ерина (Erina 
, Ерина 
, Eryna 
) , in the world, is a common cognomen. The last name Ерина is habitual in Bulgaria, where it is quite a common surname, Latvia, where it is quite a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Russia, Indonesia, and Bulgaria. More prevalently, Ерина is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erina | Indonesia, Italy, United States, India, Democratic Republic of the Congo |
| Ерина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Bulgaria |
| Eryna | Indonesia, Malaysia, United States, Brazil, Democratic Republic of the Congo |
| Yerina | Indonesia, Nigeria, United States, India, Brazil |