Cognomen Vartosu (Vartosu 
) , in all the world, is a rare last name. The family name Vartosu is habitual in Romania, where it is quite a rare surname, Norway, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Romania, the United States, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Vartosu | Norway, Canada, United Kingdom, United States, Romania |