Last name غيلن (Gaylen 
, غيلن 
) , all around the world, is a very rare cognomen. The surname غيلن is habitual in Yemen, where it is a very rare surname, Colombia, and the United States. Predominantly, غيلن is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaylen | South Africa, Tunisia, Philippines, United States, Canada |
| غيلن | Yemen |