Surname Spyrydonova (Спиридонова 
, Spyrydonova 
) , in all the world, is a common cognomen. The cognomen Spyrydonova is habitual in Russia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Спиридонова | Russia, Bulgaria, Belarus, Kazakhstan, Ukraine |
| Spyrydonova | Belgium, Ukraine |