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 | Russia, Bulgaria, Kazakhstan, Belarus, Ukraine |
| Tryfonova | Ukraine, Canada, United States, Italy |