İsmail Köybaşı (born 10 July 1989)[1] is a Turkish professional footballer who plays as a left back for Göztepe.

[4][5] He began playing with the team during pre-season friendlies, and made his competitive debut in a Super Cup match against Fenerbahçe on 2 August 2009.

[6][7] In November 2009, he provided the assist to Rodrigo Tello's goal in a 1–0 victory at Old Trafford against Manchester Utd in the Champions League.

[8] It was the first time since February 2005, spanning 23 games, that United had lost a group stage Champions League fixture at home.

[9] On 29 August 2019, free agent Köybaşı signed a one-year deal with newly-promoted La Liga side Granada CF.