Family name Khajam (Khajam 
, Хаям 
) , in all the world, is a very rare surname. The cognomen Khajam is habitual in India, where it is an extremely rare surname, and Russia. More frequently, Khajam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khajam | Denmark, United States, India |
| Хаям | Russia, Kazakhstan, Ukraine |