Cognomen Sudarkin (Сударкин 
, Sudarkin 
) , around the globe, is a rare last name. The cognomen Sudarkin is habitual in Russia, where it is a rare surname, Estonia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Сударкин | Kazakhstan, Russia, Ukraine |
| Sudarkin | Germany, Russia, Estonia |
| andrei vadimovich sudarkin Ph. D. Yaroslavl State University 2008 |
|