Çağla Büyükakçay (Turkish pronunciation: [ˈtʃajla byjyˈkaktʃaj]; born 28 September 1989) is a Turkish professional tennis player. She has won 11 singles and 15 doubles titles on the ITF Women's Circuit. In September 2016, she reached her highest singles ranking of world No. 60. She won her first title on the WTA Tour at her home tournament in Istanbul. On 29 February 2016, she peaked at world No. 111 in the WTA doubles rankings.