Last name Александреску (Alexandrescu 
, Александреску 
) , throughout the world, is quite a common surname. The cognomen Александреску is habitual in Romania, where it is quite a common surname, Belgium, where it is a rare surname, and Austria. Measured by absolute frequency, this name is the most popular in Romania, the United States, and Italy. Much less frequently, Александреску is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alexandrescu | United States, Romania, Belgium, Italy, Spain |
| Александреску | Ukraine, Russia, Kazakhstan |