Last name 科丹 (科丹 
, Kedan 
, Kordan 
) , in the entire world, is a rare cognomen. The surname 科丹 is characteristic of Slovenia, where it is a rare surname, Ethiopia, and Sudan. In absolute terms, this name is the most popular in Ethiopia, China, and Sudan. Likewise, 科丹 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 科丹 | China |
| Kedan | Indonesia, Ethiopia, Sudan, United States, India |
| Kordan | Turkey, Poland, United States, India, France |
| Cordain | France, United States |