Family name Borunov (Borunov 
) , around the globe, is a rare cognomen. The cognomen Borunov is characteristic of Estonia, where it is a rare surname, Bulgaria, and Belarus, where it is a very rare surname. Measured by absolute frequency, it is commonest in Russia, Bulgaria, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Borunov | Russia, Estonia, Belarus, United States, Bulgaria |
| aleksandr borunov Russian footballer, RU (b. 1983) |
|