Cognomen Cilam (Cilam 
) , globally, is a rare family name. The cognomen Cilam is characteristic of Reunion, where it is quite a common surname, Turkey, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Cilam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cilam | Turkey, Reunion, United States, India, Brazil |