Surname Dumaslan (Dumaslan 
) , in the world, is a very rare cognomen. The family name Dumaslan is habitual in Philippines, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Dumaslan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dumaslan | United States, Philippines |