The 1966–67 Taça de Portugal was the 27th edition of the Portuguese football knockout tournament, organized by the Portuguese Football Federation (FPF).
Teams from the Primeira Liga (I) and the Portuguese Second Division (II) entered at this stage.
Due to the odd number of teams involved at this stage of the competition, Varzim qualified for the next round due to having no opponent to face at this stage of the competition.
Due to the odd number of teams involved at this stage of the competition, Vitória de Setúbal qualified for the next round due to having no opponent to face at this stage of the competition.
Angrense, Atlético Luanda, Marítimo and Ténis Bissau were invited to participate in the competition.