Cognomen Zagainov (Загайнов 
, Zagainov 
, Загаинов ) , all over the world, is quite a rare surname. The cognomen Zagainov is characteristic of Kazakhstan, where it is quite a rare surname, Russia, and Belarus, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Загайнов | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Zagainov | Austria, Ukraine, Kazakhstan, Czechia, Russia |
| Загаинов | Kazakhstan, Russia |
|
victor zagainov Hot Air Balloon pilot and astronomer from Kazakhstan, GE (b. 1953) |
|