Family name دايانا (Dayana 
, دايانا 
) , all over the world, is a common cognomen. The family name دايانا is habitual in Latin America and the Caribbean, particularly Venezuela, where it is quite a common surname, Honduras, and Nicaragua (explore the name in all countries). Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Venezuela, Colombia, and Mexico. More prevalently, دايانا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dayana | Guatemala, Colombia, Venezuela, Democratic Republic of the Congo, Brazil |
| دايانا | Iraq, Palestinian Territory, Jordan, Iran |