Denmark competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 31 competitors, 27 men and 4 women, took part in 25 events in 10 sports.
New Zealand at the 1956 Summer Olympics was represented by a team of 53 competitors and 12 officials. Selection of the team for the Games in Melbourne, Australia, was the responsibility of the New Zealand Olympic and British Empire Games Association. New Zealand's flagbearer at the opening ceremony was Ritchie Johnston. The New Zealand team finished 16th on the medal table, winning a total of two medals, both of which were gold.
Belgium competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 54 competitors, 51 men and 3 women, took part in 37 events in 12 sports.
Uruguay competed at the 1956 Summer Olympics in Melbourne, Australia. 21 competitors, all men, took part in 8 events in 5 sports.
Chile at the 1956 Summer Olympics in Melbourne, Australia was the nation's tenth appearance out of thirteen editions of the Summer Olympic Games. The nation was represented by a team of 33 athletes, 31 males and 2 females, that competed in 22 events in 8 sports. This edition marked Chile's 4 through 7 medals, two each in the silver and bronze categories.
Argentina at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden was the nation's tenth appearance out of thirteen editions of the Summer Olympic Games. Argentina sent to the 1956 Summer Olympics its seventh national team, under the auspices of the Argentine Olympic Committee, 28 athletes, who competed in 27 events in 8 sports. They brought home 2 medals: 1 silver and 1 bronze. The Argentine flag bearer was Isabel Avellán, the nation's first female Olympic Games flag bearer.
Canada competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 92 competitors, 77 men and 15 women, took part in 81 events in 14 sports.
Athletes from the Federal People's Republic of Yugoslavia competed at the 1956 Summer Olympics in Melbourne, Australia. 35 competitors, 32 men and 3 women, took part in 16 events in 8 sports.
Cuba competed at the 1956 Summer Olympics in Melbourne, Australia.
Austria competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 29 competitors, 24 men and 5 women, took part in 33 events in 11 sports.
Hungary competed at the 1956 Summer Olympics in Melbourne, Australia, and Stockholm, Sweden. 108 competitors, 88 men and 20 women, took part in 80 events in 12 sports.
Poland competed at the 1956 Summer Olympics in Melbourne, Australia. 64 competitors, 49 men and 15 women, took part in 48 events in 9 sports.
Greece competed at the 1948 Summer Olympics in London, England. Greek athletes have competed in every Summer Olympic Games. 61 competitors, 60 men and 1 woman, took part in 44 events in 10 sports.
Greece competed with 48 athletes at the 1952 Summer Olympics in Helsinki, Finland. 48 competitors, all men, took part in 24 events in 7 sports. Greek athletes have competed in every Summer Olympic Games.
Greece competed at the 1960 Summer Olympics in Rome, Italy. 48 competitors, all men, took part in 38 events in 8 sports. Greek athletes have competed in every Summer Olympic Games.
Japan competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 110 competitors, 94 men and 16 women, took part in 71 events in 13 sports.
Brazil competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 44 competitors, 43 men and one woman took part in 28 events in 11 sports. The only Brazilian medal was the gold won by Adhemar Ferreira da Silva in men's triple jump. This was his second gold medal in the event. He was the first Brazilian to be a two-time Olympic champion.
The Republic of China (Taiwan) competed at the 1956 Summer Olympics in Melbourne, Australia. Athletes from this nation nowadays compete under the name Chinese Taipei (TPE). Twenty competitors, all men, took part in thirteen events in five sports.
Ioannis Christou is a triple Olympian Greek rower, multiple Word and European Champion. He achieved 9 medals at World Cups in his career .He represented Greece at the 2008 Summer Olympics in the single sculls event, finishing in the 10th place.
The men's coxed four competition at the 1956 Summer Olympics took place at Lake Wendouree, Ballarat, Australia. It was held from 23 to 27 November and was won by the team from Italy. There were 10 boats from 10 nations, with each nation limited to a single boat in the event. Italy had previously won this event in 1928, tying Switzerland for second-most wins among nations. Sweden (silver) and Finland (bronze) each won their first medal in the men's coxed four. Switzerland had its three-Games silver-medal streak broken, without a Swiss crew competing.
Australia/Stockholm 
Sweden 
