The Davis Cup is the premier international team event in men's tennis. It is run by the International Tennis Federation (ITF) and is contested annually between teams from competing countries in a knock-out format. It is described by the organisers as the "World Cup of Tennis", and the winners are referred to as the World Champion team. The competition began in 1900 as a challenge between Great Britain and the United States. By 2016, 135 nations entered teams into the competition.
Nicolás Alejandro Massú Fried, nicknamed El Vampiro, is a Chilean former professional tennis player. A former world No. 9 in singles, he won the singles and doubles gold medals at the 2004 Athens Olympics. He is the only man to have won both gold medals at the same Games since the re-introduction of Olympic tennis in 1988, and they are Chile's only two Olympic gold medals. Massú also reached the final of the 2003 Madrid Masters and won six singles titles. He is presently the coach of 2020 US Open champion and former world No. 3 Dominic Thiem.
Donald Fontana was a former top-ranking Canadian tennis player from the 1950s and 1960s.
Robert Bédard is a Canadian former tennis player and educator. Bédard was considered among the top ten clay court players in the world and was the top-ranked Canadian singles player in ten years in the 1950s and early 1960s. Bédard won three Canadian Open singles titles in 1955, 1957 and 1958. Bédard won a record seven Quebec Open singles championships and three Ontario Open singles titles. He won the U.S. Eastern Clay Court Championships in 1960. His career titles won was 29 tournaments, mostly on clay, in a very restricted playing career often confined to just the summer months. Bédard represented Canada in Davis Cup play for many years, reaching North America Zone and Interzone Finals in 1953, 1955, and 1959. He defeated No. 1 players of 20 different countries, including Australia and the U.S.. Bédard was a multi-sport athlete and was offered professional contracts with the New York Rangers ice hockey team and the Cleveland Indians baseball team, which he declined in favour of a career in academia. He became the principal of an esteemed private preparatory collegiate.
André Rezende Sá is a retired Brazilian tennis player.
Mauricio Echazú Puente is a Peruvian tennis player nicknamed "Garrita" because of his grinding playing style and fight spirit. He is a regular member of the Peruvian Davis Cup team. In August 2021, Mauricio has been provisionally suspended from the sport by International Tennis Integrity Agency (ITIA). From 6 August 2021, the player is prohibited from competing in or attending any sanctioned tennis events organised by the governing bodies of the sport due match fixing investigations.
Mario Llamas was a tennis player from Mexico.
J. Francisco Guzmán Carmigniani, known as Pancho Guzmán, is a former professional tennis player from Ecuador.
Gabriel Silberstein is a former professional tennis player from Chile.
Juan Antonio Pino Pérez is a former professional tennis player from Cuba.
Yohny Romero is a Venezuelan former professional tennis player.
Jhonson García is a Dominican Republic former professional tennis player.
Américo Túpac "Tupi" Venero is a French-born Peruvian former professional tennis player.
Francisco Contreras Serrano, also known as Pancho Contreras, was a Mexican tennis player. He both played for and captained the Mexico Davis Cup team.
Sandor Martínez-Breijo is a Cuban former professional tennis player.
Juan Arredondo Chavez is a Mexican former tennis player.
Ismael Sauce is a Venezuelan former tennis player.
Marcos Gambus is a Venezuelan former tennis player.
Ana María Ycaza is a former Ecuadorian tennis player.
Carlos Claverie is a Venezuelan former professional tennis player.
Venezuela 
