Worldwide, Гаджи-Касумов (Гаджи-Касумов 
) is an extremely rare unknown gender first name. Much more prevalently, Гаджи-Касумов is the last name as well as the forename. Parts of the name also exists independently as a first name Гаджи, and a last name Касумов.
| VARIANT | COUNTRY |
|---|---|
| Гаджи-Касумов | Russia |