Turan began his professional career with Kayserispor, and went on loan to Kayseri Erciyesspor during the 2006–07 Super Lig season. He was one of the young players of Kayserispor whom former coach Ertuğrul Sağlam trusted and gave the opportunity to play past seasons. He's regarded as a promising center back.
From next season Turan would be playing for Galatasaray as he has signed a pre-contract. Kayserispor was very angry with Turan's decision so they have lowered him to their reserve team and removed him from captain. Now he playing for Antalyaspor Ali Turan signed a 3 year deal with Antalyaspor after getting released from Galatasaray in January 2011.