Surname Diamal (Diamal 
) , in all the world, is a rare family name. The surname Diamal is habitual in Philippines, where it is a rare surname, Venezuela, where it is an extremely rare surname, and the United States. More prevalently, Diamal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diamal | Philippines, France, United States, Democratic Republic of the Congo, Algeria |