Juan Carlos Zabala, also known as "El Ñandú Criollo", was an Argentine long-distance runner, who won the marathon at the 1932 Summer Olympics.
Brazil competed at the 1980 Summer Olympics in Moscow, USSR. 106 competitors, 91 men and 15 women, took part in 72 events in 14 sports. Brazilian athletes conquered gold medals again after 24 years, since the 1956 Summer Olympics. Brazil won two gold and two bronze medals in 1980.
Colombia competed at the 1984 Summer Olympics in Los Angeles, United States. 39 competitors, 36 men and 3 women, took part in 34 events in 8 sports.
Colombia competed at the 1992 Summer Olympics in Barcelona, Spain. 49 competitors, 46 men and 3 women, took part in 31 events in 11 sports.
Nicaragua competed at the 1996 Summer Olympics in Atlanta, United States.
Colombia competed at the 1996 Summer Olympics in Atlanta, United States. 48 competitors, 39 men and 9 women, took part in 44 events in 9 sports.
Brazil competed at the 1972 Summer Olympics in Munich, West Germany. 81 competitors, 78 men and 3 women, took part in 44 events in 13 sports. Brazil obtained two bronze medals in 1972. Japanese Brazilian judoka Chiaki Ishii won Brazil's first Olympic medal in judo. Triple jumper Nelson Prudêncio won his second medal in men's triple jump
Chile at the 1936 Summer Olympics in Berlin, Germany was the nation's seventh appearance out of ten editions of the Summer Olympic Games. This was the first time that the nation was represented by a team under the auspices of the Chilean Olympic Committee of 39 males and 1 female athletes that competed in 27 events in 8 sports. The previous six teams that represented the nation were either walk-ons to the competitions or under the auspices of the Chilean Athletics Federation (FEDACHI) founded in 1914.
Brazil competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 93 competitors, 86 men and 7 women, took part in 48 events in 12 sports. Brazilians athletes obtained two bronze medals, repeating the same performance of the 1972 Summer Olympics. The sailors, Reinaldo Conrad and Peter Ficker, won the medal in Flying Dutchman. It was the second bronze medal conquered by Reinaldo Conrad after the 1968 Olympics. The jumper João Carlos de Oliveira won the medal in men's triple jump. He was the current record holder from altitude at the 1975 Pan American Games in Mexico City. The winner was two time defending champion Viktor Saneyev from Soviet Union.
Héctor José Moreno Moreno is a retired Colombian racewalker. He went to four Olympic Games and five World Championships in Athletics. He is one of the most successful Colombian athletes of the past fifty years because only one other Colombian also has a Pan American Games title. Another highlight is the permanence of his personal best of 3:52:16 hours as the national record for more than twelve years.
Mexico was the host nation for the 1968 Summer Olympics in Mexico City. 275 competitors, 233 men and 42 women, took part in 146 events in 20 sports.
José Manuel Moreno Periñán is a Spanish former cyclist and Olympic Champion. Moreno won the gold medal at the 1992 Olympic Games in Barcelona, for the Men's 1.000m Time Trial.
Bolivia sent a delegation to compete at the 2008 Summer Olympics, held in Beijing, China. The South American country's delegation was the fifteenth Summer Olympic team and seventeenth overall Olympic team overall sent by the country. Bolivia's National Olympic Committee sent seven athletes–three women and four men–across five sports and seven distinct events. A substantial number of the athletes originated in southern Bolivian cities, most notably Santa Cruz de la Sierra. All athletes except for cyclist Horacio Gallardo finished their events, although no medals were won by the country at these Games. Trap shooter César Menacho was the Bolivian flag bearer at the ceremonies.
Juan Miguel Moreno is an American taekwondo practitioner and coach. He is a three-time Olympian and two-time Olympic silver medalist.
Édison Xavier Moreno Cruz is an Ecuadorian racewalker who competed in the 2004 Summer Olympics, 2008 Summer Olympics and 2012 Summer Olympics.
Arturo Guerrero Moreno is a Mexican former basketball player and coach. He represented the Mexico national team and played in two Summer Olympic Games. Due to his shooting ability, he was nicknamed "Mano Santa". Along with Carlos Quintanar and Manolo Raga, he is generally considered to be one of the two best Mexican basketball players of all time.
Antônio Carlos Moreno is a Brazilian former volleyball player who competed in the 1968 Summer Olympics, the 1972 Summer Olympics, the 1976 Summer Olympics, and the 1980 Summer Olympics.
Moreno Martini was an Italian hurdler who competed at the 1960 Summer Olympics,
The following teams and players took part in the men's volleyball tournament at the 1968 Summer Olympics, in Mexico City.
The following teams and players took part in the men's volleyball tournament at the 1980 Summer Olympics, in Moscow.
Chile 
