Cognomen Ъсайфуллина (Ъсайфуллина 
) , across the world, is an extremely rare surname. The family name Ъсайфуллина is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ъсайфуллина | Russia |
Saifullina, and Sayfullina