Belgium competed at the 1960 Summer Olympics in Rome, Italy. 101 competitors, 93 men and 8 women, took part in 64 events in 16 sports.
Norway competed at the 1936 Summer Olympics in Berlin, Germany. 70 competitors, 68 men and 2 women, took part in 43 events in 12 sports.
Norway competed at the 1948 Summer Olympics in London, England. 81 competitors, 77 men and 4 women, took part in 50 events in 12 sports.
Switzerland competed at the 1936 Summer Olympics in Berlin, Germany. 190 competitors, 184 men and 6 women, took part in 100 events in 21 sports.
Germany competed at the 1952 Summer Olympics in Helsinki, Finland. 205 competitors, 173 men and 32 women, took part in 123 events in 18 sports.
Denmark competed at the 1932 Summer Olympics in Los Angeles, United States. 43 competitors, 35 men and 8 women, took part in 34 events in 9 sports.
Catharina "Tini" Wilhelmina Wagner was a freestyle swimmer from the Netherlands, who represented her native country at the 1936 Summer Olympics in Berlin, Germany.
Willy Røgeberg was a Norwegian rifle shooter who competed before and after World War II. He won two Olympic medals. He won his first olympic medal in 50 m Rifle, prone at the 1936 Summer Olympics in Berlin. After the war he won a bronze medal at the 1948 Summer Olympics in London, this time in 300 m Rifle, Three positions. He also won several medals in the ISSF World Shooting Championships.
Wilhelm Brüderlin was a Swiss rower who competed in the 1920 Summer Olympics.
Anthoni "Teun" Christiaan Beijnen was a Dutch rower who competed in the 1924 Summer Olympics and in the 1928 Summer Olympics.
Wilhelm Hermann Conrad Enno Rösingh was a Dutch rower who competed in the 1924 Summer Olympics.
Willy Falck Hansen was a Danish track cyclist who won a silver medal at the 1924 Summer Olympics with Edmund Hansen and gold and bronze medals at the 1928 Summer Olympics.
Willy Favre is a Swiss former alpine skier and Olympic medalist. He was born in Les Diablerets. He received a silver medal in the giant slalom at the 1968 Winter Olympics in Grenoble. He also competed at the 1964 Winter Olympics.
Wilhelm "Willy" Bietak is an Austrian pair skater and skating event producer. During his career, he competed internationally with partners Evelyne Schneider and Gerlinde Schönbauer, appearing at two Winter Olympics. He was inducted into the World Figure Skating Hall of Fame in 2009.
Cornelia Maria (Cocky) van Engelsdorp-Gastelaars is a Dutch former swimmer who twice improved the world record in the women's 100 metre freestyle in 1956.
Willy Schröder was a German athlete who competed in the 1936 Summer Olympics and set the world record in the men's discus throw event. He was born in Magdeburg, where the 1936 Summer Olympic games were held.
Wilhelmina "Willy" de Beer is a retired Dutch speed skater. She competed in the 1000, 1500 and 3000 m events at the 1964 Winter Olympics with the best result of 16th place in the 1500 m.
Frederik Wilhelm "Willy" Bohlander was a Dutch male water polo player. He was a member of the Netherlands men's national water polo team. He competed with the team at the 1924 Summer Olympics.
Willy Eichenberger is a Swiss sprinter. He competed in the men's 200 metres at the 1952 Summer Olympics.
