The 2018–19 Taça de Portugal (also known as Taça de Portugal Placard for sponsorship reasons) was the 79th edition of the Taça de Portugal, the premier knockout competition in Portuguese football. The competition began with first-round matches on 8 September 2018 and concluded with the final on 25 May 2019.
This edition was contested by 144 clubs, including teams from the top three tiers of the Portuguese football league system[a] and representatives of the fourth-tier District leagues and cups. This was the first season to allow a fourth substitution during extra time.[2]
All draws are held at the FPF headquarters at Cidade do Futebol, in Oeiras. Match kick-off times are in WET (UTC±0) from the fourth round to the semi-finals, and in WEST (UTC+1) during the rest of the competition.
^The third placed team was qualified to the Taça de Portugal as two teams from Braga FA were promoted to Campeonato de Portugal.
^The third placed team was qualified to the Taça de Portugal as two teams from Lisbon FA were promoted to Campeonato de Portugal.
^The third placed team was qualified to the Taça de Portugal as two teams from Porto FA were promoted to Campeonato de Portugal.
^The third placed team was qualified to the Taça de Portugal as the cup finalists were the first and second placed teams.
^The first placed team was qualified to the Taça de Portugal as it refused the promotion for financial reasons, being the second placed team the one promoted.
^These values are for games without television transmission.