Surname Dullan (Dullan 
) , around the globe, is a very rare family name. The surname Dullan is characteristic of Malaysia, where it is a very rare surname, Philippines, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Philippines, Malaysia, and India. More frequently, Dullan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dullan | Philippines, United States, India, Democratic Republic of the Congo, Malaysia |