The 2020–21 Slovenian Football Cup was the 30th edition of the football knockout competition in Slovenia. The tournament began on 2 September 2020 and ended on 25 May 2021 with the final. The winners of the competition, Olimpija Ljubljana, earned a place in the second qualifying round of the 2021–22 UEFA Europa Conference League. Mura were the defending champions after winning the previous season's final.