Throughout the world, Szostak (Szostak 
, Шостак 
, Shostak 
) is a very rare unisex first name. The first name Szostak is characteristic of Russia, where it is a very rare boy's name, and China, where it is an extremely rare gender-neutral name. Also, Szostak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Szostak | Paraguay, Canada, Poland, United States, Germany |
| Шостак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Shostak | Canada, Brazil, Poland, United States, Germany |
| Schostak | Canada, Brazil, United States, United Kingdom, Germany |
|
wit szostak writer, PL (b. 1976) |
|
| wiktor bogdan szostak (b. 1933) |
|
|
| bogdan szostak Polish researcher in livestock breeding, PL (b. 1953) |
|