Fahri Kerem Ay (born 1 January 2005) is a Turkish professional footballer who plays as a midfielder for TFF First League club İstanbulspor on loan from Beşiktaş.
Ay is a product of the youth academy of Erdemli Belediyespor before moving to Beşiktaş' youth side in 2017 where he finished his development.[1] On 22 March 2024, he signed his first professional contract with Beşiktaş until 2026.[2] He made his senior and professional debut with Beşiktaş as a substitute in a 0–0 Süper Lig tie with Alanyaspor on 12 May 2024.[3] On 13 August 2024, he extended his contract until 2028.[4]
On 14 August 2025, Ay was loaned to TFF First League club İstanbulspor until the end of the season.[5]
Ay is a youth international for Türkiye.[1] He was part of the Türkiye U19s that played at the 2024 UEFA European Under-19 Championship.[6]
