Surname Portnyagina (Portnyagina 
, Портнягина 
) , around the globe, is quite a rare family name. The family name Portnyagina is characteristic of Kazakhstan, where it is quite a rare surname, Russia, where it is a rare surname, and Czechia.
| VARIANT | COUNTRY |
|---|---|
| Portnyagina | China, Russia, Czechia, United States, Ukraine |
| Портнягина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |