Last name Mayorchik (Mayorchik 
, מיורציק , Майорчик 
) , globally, is a rare family name. The cognomen Mayorchik is habitual in Belarus, where it is a rare surname, Israel, and Russia, where it is a very rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Russia, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| מיורציק, Mayorchik | Israel |
| Майорчик | Russia, Ukraine, Belarus |