Surname Dailam (Dailam 
) , in all the world, is a very rare cognomen. The surname Dailam is characteristic of Malaysia, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. More prevalently, Dailam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dailam | Nigeria, Brazil, United States, Malaysia, India |