|Full name||Çağdaş Atan|
|Date of birth||29 February 1980|
|Place of birth||İzmir, Turkey|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|Playing position||Central Defender|
|* Senior club appearances and goals counted for the domestic league only
Atan began his career with Altay SK before moving to Marmaris Belediye G.S.K., where he signed his first professional contract, in 2000. He returned to Altay in 2001 and played for two seasons. After that, he signed for Denizlispor and Beşiktaş On 1 June 2006, he transferred to Trabzonspor, based in the Black Sea port city of Trabzon. He then signed for German club FC Energie Cottbus in the summer of 2008. After just one season at Cottbus, Atan transferred to Swiss side FC Basel on 23 June 2009. He made his Basel debut in a 2–0 defeat to FC St. Gallen on 12 July 2009, at the AFG Arena.
Atan has also played and scored for the Turkish national team. He earned both of his caps as a substitute in 2004 and scored once.