Cognomen دوين (Duane 
, Duin 
, Doin ) , all over the world, is a common surname. The family name دوين is habitual in Netherlands, where it is quite a common surname, Ireland, and Malaysia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Netherlands, the United States, and Malaysia. More frequently, دوين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duane | Australia, South Africa, Canada, United Kingdom, United States |
| Duin | Philippines, Venezuela, United States, Netherlands, Malaysia |
| Doin | Australia, Canada, Philippines, United Kingdom, United States |
| دوين | Iraq, Yemen, Iran |