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Family name Fayzullayev (Файзуллаев
, Фаызуллаев
, Fayzullayev
) , in all the world, is quite a rare cognomen. The surname Fayzullayev is characteristic of Central Asia, particularly Tajikistan, where it is quite a rare surname, Kyrgyzstan, and Uzbekistan. Not in comparison with a country's population, it is the most numerous in Russia, Uzbekistan, and Tajikistan.
| VARIANT | COUNTRY |
|---|---|
| Файзуллаев | Kazakhstan, Russia, Tajikistan, Kyrgyzstan, Azerbaijan |
| Фаызуллаев | Russia |
| Fayzullayev | Kazakhstan, Uzbekistan, Russia, Turkey, United States |