The 1980 Davis Cup was the 69th edition of the most important tournament between national teams in men's tennis. 52 teams would enter the competition, 30 in the Europe Zone, 12 in the Americas Zone, and 10 in the Eastern Zone.

Argentina

Argentina Davis Cup team

The Argentina Davis Cup team represents Argentina in Davis Cup tennis competition and is governed by the Asociación Argentina de Tenis.Argentina has never won the tournament, but have finished as the runner-up three times, in 1981, 2006 and 2008....

 defeated the United States in the Americas Zone final, Australia

Australia Davis Cup team

The Australian Davis Cup team is the second most successful team ever to compete in the Davis Cup, winning the coveted title on 23 separate occasions, second behind the United States with 32....

 defeated New Zealand

New Zealand Davis Cup team

The New Zealand Davis Cup team represents New Zealand in Davis Cup tennis competition and are governed by Tennis New Zealand.New Zealand currently compete in the Asia/Oceania Zone of Group II. They have played in the World Group on 8 occasions, the most recent of which was in 1991. They reached...

 in the Eastern Zone final, and Italy

Italy Davis Cup team

The Italy Davis Cup team represents Italy in Davis Cup tennis competition and are governed by the Federazione Italiana Tennis.Italy won the Davis Cup in 1976, and finished as runners-up 6 times . They currently compete in the Europe/Africa Zone of Group I...

 and Czechoslovakia

Czech Republic Davis Cup team

The Czech Republic Davis Cup team represents the Czech Republic in Davis Cup tennis competition and are governed by the Czech Tennis Federation. The Czech team was started in 1993, following the Czechoslovakian break-up....

 won the Europe Zones. In the Inter-Zonal Zone, Italy defeated Australia and Czechoslovakia defeated Argentina. Czechoslovakia defeated Italy in the final, which was held at Sportovní hala in Prague

Prague

Prague is the capital and largest city of the Czech Republic. Situated in the north-west of the country on the Vltava river, the city is home to about 1.3 million people, while its metropolitan area is estimated to have a population of over 2.3 million...

, Czechoslovakia

Czechoslovakia

Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

, on 5–7 December.

Americas Inter-Zonal Final

• Argentina advance to Inter-Zonal Zone

Qualifying Rounds

Participating Teams — advanced to Preliminary Rounds — advanced to Preliminary Rounds

Final

• Australia advance to Inter-Zonal Zone

Preliminary Rounds

Participating Teams — advanced to Main Draw — advanced to Main Draw — advanced to Main Draw — advanced to Main Draw

Final

• Italy advance to Inter-Zonal Zone

Preliminary Rounds

Participating Teams — advanced to Main Draw — advanced to Main Draw — advanced to Main Draw — advanced to Main Draw

Final

• Czechoslovakia advance to Inter-Zonal Zone

Draw

Argentina vs. Czechoslovakia

Italy vs. Australia

Final