Mehmet Ali Büyüksayar (born 8 May 2004) is a Turkish football player who plays as a winger for Ümraniyespor, on loan from Süper Lig club Konyaspor.
A youth product of Konyaspor, Büyüksayar signed his first professional contract with the club on 26 February 2021 until 2023, and was shortly after loaned to 1922 Konyaspor for a season and half in the TFF Second League.
[1] He returned to Konyaspor for the 2022–23 season, and made his professional debut with them in a 3-2 Turkish Cup win over Bodrumspor on 22 December 2022.
[2] On 24 February 2023 he extended his contract with Konyaspor until 2026 and was promoted to their senior team.
He represented the Turkey U18s at the 2022 Mediterranean Games.