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Cognomen Dadar (Dadar
, دادار
, Дадар
) , around the world, is quite a common family name. The family name Dadar is habitual in Iran, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Kenya. Measured by absolute frequency, it is commonest in India, Iran, and Kenya. Very seldom, Dadar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dadar | Saudi Arabia, India, Indonesia, Iran, Kenya |
| دادار | Iran |
| Дадар | Kazakhstan, Russia, Ukraine |