Cognomen Дедиаев (Дедиаев 
, Dedyaev 
) , across the world, is a very rare last name. The cognomen Дедиаев is habitual in Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Дедиаев | Russia |
| Dedyaev | Russia, United States |