The United States Olympic Committee sent 204 athletes to the 2006 Winter Olympics in Turin, Italy. Chris Witty, a four-time Olympian, who competed in both Summer and Winter games, and won a gold medal in speed skating at the 2002 Games, served as the flag bearer at the opening ceremonies. Speed skater Joey Cheek, who won gold in the 500 m and silver in the 1000 m, was the flag bearer at the closing ceremonies. One athlete, Sarah Konrad, became the first American woman to compete in two different disciplines at the same Winter Olympics – biathlon and cross-country skiing.
Australia competed at the 1960 Winter Olympics in Squaw Valley, United States. This was the first and last time Australia competed in ice hockey and nordic combined. While ice hockey gave Australia its only top ten finish in this games, the team lost all of their matches, conceding double-digit goals. Australia also competed in alpine skiing, cross-country skiing and figure skating, where Mervyn Bower and Jacqueline Mason came twelfth in the pairs event.
Australia competed at the 2006 Winter Olympics in Turin, Italy. The team of 40 athletes was the largest ever for Australia, surpassing the team of 31 that participated at the 1960 Winter Olympics.
New Zealand competed at the 2006 Winter Olympics in Turin, Italy.
Sweden sent 112 athletes to the 2006 Winter Olympics in Turin trying to win their first gold medal since the 1994 Olympics in Lillehammer. A total of 99 athletes were selected, and they competed in nine of the fifteen Winter Olympic sports. When the medals were summed up, Sweden had managed seven gold medals, two silver and five bronze, making it Sweden's best result ever in the Winter Olympics in terms of both medals and gold medals earned, and gave Sweden a 6th place in the medal table.
Switzerland competed at the 2006 Winter Olympics in Turin, Italy. This was the confederation's largest Winter Olympics team ever, because two ice hockey teams qualified.
Argentina competed at the 2006 Winter Olympics in Turin, Italy.
Isabel Clark Ribeiro, a snowboarder, carried the flag at the opening ceremonies. Clark is also the Brazilian athlete who achieved the best result in the Brazilian delegation, making it to the quarterfinals in women's snowboard cross, finishing ninth overall.
Chile competed at the 2006 Winter Olympics in Turin, Italy.
Algeria sent a delegation to compete at the 2006 Winter Olympics in Turin, Italy from 10–26 February 2006. The nation had participated in the Winter Olympics only once previously, in 1992. The delegation consisted of two athletes, Christelle Laura Douibi in alpine skiing and Noureddine Maurice Bentoumi in cross-country skiing. Douibi's 40th place finish in the women's downhill was Algeria's best finish in these Olympics.
Serbia and Montenegro competed at the 2006 Winter Olympics in Turin, Italy. This was the last appearance of a team representing a joint Montenegrin and Serbian state at the Olympic venue.
Spain competed at the 2006 Winter Olympics in Turin, Italy.
Turkey competed at the 2006 Winter Olympics in Turin, Italy.
Ukraine competed at the 2006 Winter Olympics in Turin, Italy.
Three men from South Africa competed at the 2006 Winter Olympics in Turin, Italy. One of them, Alexander Heath, became the first African to compete in all 5 alpine events. The three-man South African team was the largest from the continent in Turin.
Iran competed at the 1964 Winter Olympics in Innsbruck, Austria. Four athletes and two officials represented Iran in the 1964 Olympics.
Iran had four competitors at the 1968 Winter Olympics in Grenoble, France. All took part in the men's Alpine Skiing events, with the highest finish being 66th place by Lotfollah Kiashemshaki in the Downhill.
Iran competed at the 1976 Winter Olympics in Innsbruck, Austria. Four athletes represented Iran in the 1976 Olympics, all of them in alpine skiing.
Iran participated in the 2002 Winter Olympics in Salt Lake City, United States. Two athletes represented Iran in the 2002 Olympics, one in alpine skiing and one in cross-country skiing.
Helsinki 2006 was a joint bid for the 2006 Winter Olympics presented by the city of Helsinki and Finnish Olympic Committee. Some of the proposed venues were located in Lillehammer, Norway.
