Last name Dhahan (Dhahan 
) , in all the world, is a very rare surname. The last name Dhahan is habitual in Canada, where it is a very rare surname, the United Kingdom, and Australia. Not in comparison with a country's population, it is commonest in Canada, the United Kingdom, and the United States. Also, Dhahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dhahan | Malaysia, United Kingdom, United States, India, Canada |