The 2004–05 Slovak Cup was the 36th season of Slovakia's annual football knock-out cup competition and the twelfth since the independence of Slovakia. It began on 21 September 2004 with Round 1 and ended on 8 May 2005 with the Final. The winners of the competition earned a place in the second qualifying round of the UEFA Cup. Artmedia Petržalka were the defending champions.