Family name Даржай (Darjai 
, Даржай 
) , across the world, is a very rare surname. The surname Даржай is characteristic of Russia, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Даржай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Darjai | India, United States |
| Даржай | Russia |
|
даржай, александр александрович RU (b. 1944) |
|
| даржай, май-оол александрович RU (b. 1936) |
|