The 2021 UEFA Nations League Finals was the final tournament of the 2020–21 edition of the UEFA Nations League, the second season of the international football competition involving the men's national teams of the 55 member associations of UEFA. The tournament was held in Italy from 6 to 10 October 2021, and was contested by the four group winners of Nations League A. The tournament consisted of two semi-finals, a third place play-off and final to determine the champions of the UEFA Nations League.

The UEFA Nations League is a biennial international football competition played by the senior men's national teams of the member associations of UEFA, the sport's European governing body.