Around the globe, Marchak (Marchak 
, Маршак 
) is a very rare unisex first name. The first name Marchak is habitual in India, where it is an extremely rare female name, and China, where it is an extremely rare boy's name. Much more frequently, Marchak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marchak | Poland, Brazil, Canada, United States, Argentina |
| Маршак | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |