Family name Митсык (Митсык 
, Mitsyk 
) , in the world, is a very rare cognomen. The family name Митсык is characteristic of Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Митсык | Russia |
| Mitsyk | Russia, United States |