Cognomen Delaan (Delaan 
) , in all the world, is a very rare surname. The cognomen Delaan is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Delaan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delaan | South Africa, Nigeria, United States |