In the world, Dayvan (Dayvan 
) is a very rare unisex forename. The forename Dayvan is habitual in Brazil, where it is an extremely rare masculine name, and India, where it is an extremely rare unisex name. Very seldom, Dayvan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dayvan | Malaysia, United States, India, Brazil, Venezuela |