Cognomen Protodiakonova (Protodiakonova, Протодьяконова 
) , all around the world, is a rare surname. The cognomen Protodiakonova is characteristic of Eastern Europe, particularly Russia, where it is a rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Протодьяконова | Ukraine, Russia |