Last name Лейлан (Leylan 
, Leilan 
, Лейлан 
) , around the globe, is a rare cognomen. The surname Лейлан is characteristic of Georgia, where it is quite a rare surname, Honduras, where it is a rare surname, and Nicaragua. In absolute terms, it is the most numerous in Georgia, Indonesia, and Honduras. More prevalently, Лейлан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leylan | Turkey, Philippines, Honduras, United States, Venezuela |
| Leilan | Indonesia, Romania, Georgia, Philippines, Democratic Republic of the Congo |
| Лейлан | Kyrgyzstan, Kazakhstan, Russia, Ukraine |