Family name Shax (Shax 
, Шах 
) , across the world, is a rare cognomen. The surname Shax is characteristic of Namibia, where it is quite a rare surname, Iraq, where it is a rare surname, and Uzbekistan. Likewise, Shax is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shax | Uzbekistan, Saudi Arabia, Namibia, Iraq, Myanmar |
| Шах | Russia, Kyrgyzstan, Tajikistan |