Family name 杰兰 (Ceylan 
, Jaylan 
, 杰兰 ) , throughout the world, is a widespread surname. The surname 杰兰 is habitual in Turkey, where it is a common surname, Austria, where it is quite a rare surname, and Germany. Measured by absolute frequency, it is commonest in Turkey, Germany, and Malaysia. Very seldom, 杰兰 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ceylan | Germany, United States, Turkey, Malaysia, China |
| Jaylan | Philippines, Egypt, United States, Malaysia, China |
| 杰兰 | China |
| Jielan | Philippines, United States, India, Ethiopia, China |