Family name Караджаев (Караджаев 
, Karadjaev, Karadzhaev ) , across the world, is a rare surname. The surname Караджаев is habitual in Azerbaijan, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, it is commonest in Russia, Azerbaijan, and Belarus. Very seldom, Караджаев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Караджаев | Kazakhstan, Belarus, Russia, Azerbaijan, Turkey |
| Karadzhaev | Russia, Belarus |
| Karadzhayev | United States |