1965 Davis Cup

The 1965 Davis Cup was the 54th edition of the most important tournament between national teams in men's tennis. 45 teams would enter the competition, 31 in the Europe Zone, 9 in the Eastern Zone, and 5 in the Americas Zone.

The United States defeated Mexico in the Americas Zone final, India defeated Japan in the Eastern Zone final, and Spain defeated South Africa in the Europe Zone final. In the Inter-Zonal Zone, Spain defeated the USA, and then India. Spain then fell to defending champions Australia in the Challenge Round. The final was played at White City Stadium in Sydney, Australia on 27–29 December.