Last name דיאן (Diane 
, Dian 
, Dejan 
) , in the entire world, is a widespread family name. The surname דיאן is habitual in Southern Europe, particularly North Macedonia, where it is a widespread surname, Montenegro, where it is quite a common surname, and Serbia (explore the name in all countries). In absolute terms, it is the most numerous in Indonesia, North Macedonia, and Cameroon. More frequently, דיאן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diane | Democratic Republic of the Congo, United States, United Kingdom, Indonesia, Serbia |
| Dian | Cameroon, United Kingdom, United States, Indonesia, Democratic Republic of the Congo |
| Dejan | North Macedonia, United States, United Kingdom, Indonesia, Serbia |
| דיאן | Israel |