Surname Sergueitchouk (Sergueitchouk 
, Сергеичук 
) , all around the world, is a very rare cognomen. The last name Sergueitchouk is habitual in Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sergueitchouk | United States |
| Сергеичук | Russia |