Cognomen Hadev (Hadev 
, Хадев 
) , globally, is a very rare family name. The family name Hadev is characteristic of Russia, where it is a very rare surname, Israel, and India, where it is an extremely rare surname. Likewise, Hadev is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hadev | India, Israel |
| Хадев | Russia |