See main article: 1977 Davis Cup.
The Americas Zone was one of the three regional zones of the 1977 Davis Cup.
14 teams entered the Americas Zone in total, with 12 teams competing in the preliminary rounds to advance to the main draw and join the previous year's finalists Chile and South Africa. The winner of the main draw went on to compete in the Inter-Zonal Zone against the winners of the Eastern Zone and Europe Zone.[1]
Argentina defeated the United States in the final and progressed to the Inter-Zonal Zone.
Bolivia vs. Peru
Uruguay vs. Ecuador
Venezuela vs. Colombia
Canada vs. Caribbean/West Indies
Brazil vs. Bolivia
Argentina vs. Ecuador
Venezuela vs. United States
Canada vs. Mexico
Brazil vs. Argentina
United States vs. Mexico
Argentina vs. Chile
United States vs. South Africa
Argentina vs. United States