1973 Davis Cup Eastern Zone
The Eastern Zone was one of the three regional zones of the 1973 Davis Cup.
10 teams entered the Eastern Zone, with 8 teams competing in the preliminary round to join the previous year's finalists Australia and India in the main draw. The winner of the main draw went on to compete in the Inter-Zonal Zone against the winners of the Americas Zone and Europe Zone.
Australia defeated India in the final and progressed to the Inter-Zonal Zone.
Preliminary round
Results
South Korea vs. JapanIndonesia vs. Hong Kong
Malaysia vs. Pakistan
'''South Vietnam vs. Sri Lanka'''
Main Draw
Quarterfinals
Japan vs. Indonesia'''Pakistan vs. South Vietnam'''
Semifinals
Japan vs. Australia'''India vs. Pakistan'''