Worldwide, Sivash (Sivash 
, Сиваш 
) is a very rare epicene forename. The forename Sivash is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. Much more frequently, Sivash is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sivash | Iran, Poland, Belarus, India, Russia |
| Сиваш | Belarus, Russia, Kazakhstan, Ukraine |