Cognomen ديماريا (Dimaria 
, Demaria 
, ديماريا 
) , in all the world, is a common last name. The surname ديماريا is habitual in Argentina, where it is quite a rare surname, Italy, and Uruguay. Not in comparison with a country's population, it is commonest in the United States, Italy, and Argentina. Very seldom, ديماريا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dimaria | Italy, United States, Argentina, Algeria, France |
| Demaria | Italy, Morocco, United States, Argentina, France |
| ديماريا | Iraq, Egypt, Sudan |
| Demaría | Uruguay, Chile, Spain, United States, Argentina |