Family name Dominia (Dominia 
) , around the world, is a rare surname. The cognomen Dominia is habitual in Philippines, where it is a rare surname, Honduras, where it is a very rare surname, and Nicaragua. Not in comparison with a country's population, it most frequently occurs in Philippines, the United States, and Honduras. Also, Dominia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dominia | Peru, Philippines, Nigeria, Democratic Republic of the Congo, Spain |