Surname Tryfonova (Трифонова 
, Tryfonova 
) , in all the world, is a common family name. The cognomen Tryfonova is habitual in Eastern Europe, particularly Bulgaria, where it is quite a common surname, Russia, and Belarus, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Eastern Europe, particularly Russia, Bulgaria, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Трифонова | Ukraine, Kazakhstan, Belarus, Bulgaria, Russia |
| Tryfonova | United States, Ukraine, Canada, Italy |