Worldwide, Synjuk (Synjuk 
, Сынюк 
) is a very rare epicene first name. The given name Synjuk is characteristic of Southern Asia, particularly India, where it is an extremely rare gender-neutral name. Likewise, Synjuk is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Synjuk | India |
| Сынюк | Russia |