Cognomen Нигметьзянов (Нигметьзянов 
) , globally, is an extremely rare family name. The cognomen Нигметьзянов is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Нигметьзянов | Russia |
Nigmetzianov, and Nigmetzyanov