Cognomen 克丹 (克丹 
, Kedan 
) , around the world, is a rare family name. The family name 克丹 is characteristic of Ethiopia, where it is a rare surname, Sudan, and Saudi Arabia. Not in comparison with a country's population, the name is most common in Ethiopia, China, and Sudan. Likewise, 克丹 is the forename as well as the last name.