The 2020–21 Taça de Portugal (also known as Taça de Portugal Placard for sponsorship reasons) was the 81st edition of the Taça de Portugal, the premier knockout competition in Portuguese football. A total of 165 clubs compete in this edition, including all teams from the top three tiers of the Portuguese football league system – excluding reserve or B teams, which are not eligible – and representatives of the fourth-tier District leagues and cups. The competition began on 26 September 2020 with the first-round matches involving teams from the third and fourth tiers, and concluded on 23 May 2021 with the final at the Estádio Nacional in Oeiras.

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Primeira Liga side Porto were the defending champions and entered the competition in the third round, but they were eliminated by eventual winners Braga in the semi-finals. Braga beat Benfica 2–0 in the final to win their third title.

A total of 165 teams compete in the 2021–21 edition, comprising 18 teams from the Primeira Liga (tier 1), 16 teams from the LigaPro (tier 2), 88 teams from the Campeonato de Portugal (tier 3) and 43 teams from the District championships and cups (tier 4).^{[lower-alpha 1]}

All draws are held at the Portuguese Football Federation (FPF) headquarters in Oeiras. Match kick-off times are in WET (UTC±0) from the third round to the semi-finals, and in WEST (UTC+1) during the rest of the competition. The schedule was published along with all national men competitions on 13 August 2020.^[2]

A total of 131 teams representing the Campeonato de Portugal and the District Championships were involved in the first round draw, which was held on 10 September 2020.^[6] Twenty-one teams received a bye to the second round and the remaining teams were split into eight series according to geographical proximity. These teams were then paired inside their series, with the first team drawn playing at home.

Byes

The following twenty-one teams received a bye to the second round:

Matches

A total of 92 teams were involved in the second round draw, which was held on 10 September 2020.^[7] The 16 teams from the Liga Portugal 2 joined the 55 winners from first round and the 21 teams that received a bye to the second round. All Liga Portugal 2 teams played this round as visitors.

A total of 64 teams were involved in the third round draw, which was held on 22 October 2020. The 18 teams from the Primeira Liga joined the 46 winners from second round. All Primeira Liga teams played this round as visitors.