In all the world, Kudja (Kudja 
, Кудя 
) is a very rare unisex first name. The forename Kudja is habitual in Southern Asia, particularly India, where it is an extremely rare gender-neutral name. More prevalently, Kudja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kudja | Philippines, Thailand, India, United States, Slovakia |
| Кудя | Belarus, Russia, Kazakhstan, Ukraine |