Cognomen Попеску-Марчук (Попеску-Марчук 
) , in the entire world, is an extremely rare family name. The last name Попеску-Марчук is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname. Parts of the name also exists independently as a last name Попеску, and a last name Марчук.
| VARIANT | COUNTRY |
|---|---|
| Попеску-Марчук | Ukraine |