Last name Nastasoiu (Nastasoiu 
) , worldwide, is a rare surname. The cognomen Nastasoiu is habitual in Romania, where it is quite a rare surname, Czechia, where it is a rare surname, and Greece. In absolute terms, this name is the most popular in Romania, Spain, and Czechia. Much less frequently, Nastasoiu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nastasoiu | Romania, Czechia, Spain, United States, Greece |