The 2004–05 Turkish Cup was the 43rd 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).

Galatasaray successfully contested over their archrivals Fenerbahçe 5–1 in the final.

The results of the tournament also determined which clubs would be promoted or relegated.