The 2002–03 Turkish Cup was the 41st edition of the annual tournament that determined the association football Super League (Süper Lig) Turkish Cup (Turkish: Türkiye Kupası)[1] champion under the auspices of the Turkish Football Federation (Turkish: Türkiye Futbol Federasyonu; TFF).
Trabzonspor successfully contested Gençlerbirliği 3–1 in the final.
The results of the tournament also determined which clubs would be promoted or relegated.