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, United Kingdom, Canada, South Africa, United States |
| Duin | Philippines, Netherlands, Malaysia, United States, Venezuela |
| Doin | Philippines, Australia, United Kingdom, Canada, United States |
| دوين | Yemen, Iran, Iraq |