Cognomen Мирчу (Mirchu 
, Мирчу 
) , throughout the world, is a very rare last name. The last name Мирчу is habitual in Ukraine, where it is a very rare surname, Russia, and Chile, where it is an extremely rare surname. In absolute terms, the name is most common in Russia, Ukraine, and Spain. More prevalently, Мирчу is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mirchu | Canada, Russia, India, Spain, Chile |
| Мирчу | Ukraine, Russia |