Family name Ivanchyk (Ivanchyk 
, Иванчык 
) , throughout the world, is a very rare cognomen. The surname Ivanchyk is habitual in Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ivanchyk | United States |
| Иванчык | Russia |