Surname Marienescu (Marienescu 
) , in the world, is a very rare family name. The surname Marienescu is habitual in Romania, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Marienescu | Romania, Spain |
|
atanasie marian marienescu Romanian judge (1830-1915), RO (b. 1830) |
|