Cognomen Zailah (Zailah 
) , in all the world, is a rare family name. The cognomen Zailah is habitual in Lebanon, where it is quite a rare surname, Malaysia, where it is a rare surname, and France, where it is a very rare surname. Also, Zailah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zailah | Lebanon, Malaysia, Philippines, Singapore, France |