Surname Damwan (Damwan 
) , around the world, is a rare cognomen. The family name Damwan is habitual in Thailand, where it is a rare surname, Nigeria, where it is a very rare surname, and Malaysia. Also, Damwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Damwan | Philippines, Malaysia, India, Nigeria, Thailand |