The 2021 Taça de Portugal final was the final match of the 2020–21 Taça de Portugal, which decided the winner of the 81st edition of the Taça de Portugal, the premier knockout competition in Portuguese football. It was played on 23 May 2021 at the Estádio Cidade de Coimbra in Coimbra, between Braga and Benfica.

The Taça de Portugal is an annual association football competition and the premier knockout tournament in Portuguese football. For sponsorship reasons, it has been known as Taça de Portugal Placard since the 2015–16 season. Organised by the Portuguese Football Federation since it was first held in 1938, the competition is open to professional and amateur clubs from the top-four league divisions. Matches are played from August–September to May–June, and the final is traditionally held at the Estádio Nacional in Oeiras, near Lisbon. The winners qualify for the Supertaça Cândido de Oliveira and the UEFA Europa League.