Surname Думитреску (Dumitrescu 
, Dumitresku 
, Думитреску 
) , in all the world, is a common cognomen. The last name Думитреску is characteristic of Romania, where it is a common surname, Moldova, where it is quite a rare surname, and Malta. Not in comparison with a country's population, it most frequently occurs in Romania, the United States, and Italy. Much less frequently, Думитреску is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dumitrescu | Spain, Romania, United States, Germany, Italy |
| Dumitresku | Spain, United States, Bulgaria |
| Думитреску | Moldova, Russia, Kazakhstan, Ukraine |
Dimitrescu, and Димитреску