Last name Azarenok (Azarenok 
, Азаренок 
) , all over the world, is quite a rare cognomen. The family name Azarenok is characteristic of Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kyrgyzstan. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Belarus, Russia, and Czechia.
| VARIANT | COUNTRY |
|---|---|
| Azarenok | Russia, Czechia, United States, Belarus |
| Азаренок | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |