Cognomen Наджафи (Najafi 
, Наджафи 
, Nadjafi 
) , in the entire world, is a common surname. The surname Наджафи is characteristic of Iran, where it is quite a common surname, Afghanistan, where it is quite a rare surname, and United Arab Emirates. In absolute terms, the name is most common in Iran, Afghanistan, and Iraq. Very seldom, Наджафи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Najafi | Iran, Iraq, United Arab Emirates, United States, Afghanistan |
| Наджафи | Kazakhstan, Russia |
| Nadjafi | Germany, Iran, Sweden, United Kingdom, United States |