The 1983 Davis Cup (also known as the 1983 Davis Cup by NEC for sponsorship purposes) was the 72nd edition of the Davis Cup, the most important tournament between national teams in men's tennis. 60 teams would enter the competition, 16 in the World Group, 25 in the Europe Zone, 10 in the Eastern Zone, and 9 in the Americas Zone.
Australia defeated Sweden in the final, held at the Kooyong Stadium in Melbourne, Australia, on 26–28 December, to win their 25th title overall.[1][2]
Australia vs. Sweden
Date: 30 September–2 October
Czechoslovakia, 
Denmark, 
Great Britain and 
United States remain in the World Group in 1984.
Chile, 
Indonesia, 
Ireland and 
Soviet Union are relegated to Zonal competition in 1984..svg/1280px-Flag_of_Ecuador_(1900%E2%80%932009).svg.png){kind=small}
Ecuador are promoted to the World Group in 1984.
India are promoted to the World Group in 1984.
West Germany are promoted to the World Group in 1984..svg/1280px-Flag_of_Yugoslavia_(1946-1992).svg.png){kind=small}
Yugoslavia are promoted to the World Group in 1984.