1977 Davis Cup Americas Zone
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.
Argentina defeated the United States in the final and progressed to the Inter-Zonal Zone.
Preliminary rounds
First round
Bolivia vs. PeruUruguay vs. Ecuador
Venezuela vs. Colombia
'''Canada vs. Caribbean/West Indies'''
Qualifying round
Brazil vs. BoliviaArgentina vs. Ecuador
Venezuela vs. United States
'''Canada vs. Mexico'''
Main draw
Quarterfinals
Brazil vs. Argentina'''United States vs. Mexico'''
Semifinals
Argentina vs. Chile'''United States vs. South Africa'''