Çağla Büyükakçay (born 28 September 1989) is a Turkish professional tennis player.

Büyükakçay has won eight singles and fifteen doubles titles on the ITF tour in her career. In September 2016, she reached her best singles ranking of world No.60. Büyükakçay won her first title at her home tournament in Istanbul. On 29 February 2016, she peaked at world No. 111 in the doubles rankings.

Playing for Turkey at the Fed Cup, Büyükakçay has a win-loss record of 33–24.

Büyükakçay is also the top-ranked tennis player at Istanbul's multi-sports club Enkaspor.

She is the first tennis player to represent Turkey at the Olympic Games. She competed at 2016 Rio Olympics.

Büyükakçay won Grado Tournament in Italy in June 2018.