Surname الجن (الجن 
, Elgin 
) , globally, is a widespread last name. The cognomen الجن is characteristic of Egypt, where it is a common surname, Libya, where it is quite a rare surname, and Kuwait. Measured by absolute frequency, it most frequently occurs in Egypt, the United States, and Sudan. Very seldom, الجن is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الجن | Saudi Arabia, Libya, Iraq, Sudan, Egypt |
| Elgin | Philippines, United States, Egypt, Canada, Germany |