Cognomen رومانوف (Romanov 
, Romanoff 
, رومانوف 
) , worldwide, is a common last name. The surname رومانوف is characteristic of Estonia, where it is quite a common surname, Aruba, and Bulgaria (explore the name in all countries). Measured by absolute frequency, it is commonest in Russia, the United States, and Bulgaria. Much less frequently, رومانوف is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Romanov | Bulgaria, Indonesia, United States, Russia, Romania |
| Romanoff | Germany, Israel, Indonesia, United States, Russia |
| رومانوف | Yemen |