The 2003 Pan American Games, officially known as the XIV Pan American Games, were a continental multi-sport event held in Santo Domingo, Dominican Republic, from August 1 to August 17, 2003. At the Games, 5,500 athletes selected from 42 National Olympic Committees (NOCs) participated in events in 35 sports. Thirty-one nations earned medals during the competition, and sixteen won at least one gold medal.
Canada has competed at every edition of the Pan American Games since the second edition of the multi-sport event in 1955. As of the last Pan American Games in 2019, Canada is third on the all time medals list, only behind the United States and Cuba. Canada is also one of nine countries to have competed at the only Winter Pan American Games, and only of one two to win a medal at the games.
Argentina has competed at every edition of the Pan American Games since the first edition of the multi-sport event in 1951, in which it hosted. Argentina competed in the first ever Pan American Winter Games in 1990; however, it failed to get medals.
Antigua and Barbuda has competed at every edition of the Pan American Games since the eighth edition of the multi-sport event in 1979. However, Antigua and Barbuda participated in the 1959 Pan American Games as part of the British West Indies and future Prime Minister Lester Bird won a bronze medal in the long jump. Sprinter Heather Samuel won Antigua and Barbuda's first Pan Am medal in 1995, a bronze in the women's 100 metres. Sprinter, Brendan Christian won Antigua and Barbuda's first gold medal at the 2007 Pan American Games. To date, all five of Antigua and Barbuda's medals have been won in the sport of track and field. Antigua and Barbuda did not compete at the first and only Pan American Winter Games in 1990.
Bolivia has competed at every edition of the Pan American Games since the fifth edition of the multi-sport event in 1967. The first Bolivian medal was a silver in the 1991 taekwondo tournament. Since then the country has won one gold medal, three silver medals, and eight bronze medals between 2003 and 2019. Aside from two silver medals in taekwondo and tennis, and a bronze in cycling, all the other medals came from racquetball. As of the last Pan American Games in 2023, Bolivia is twenty-third on the all time medals list. Bolivia competed in the first ever Pan American Winter Games in 1990, however it failed to medal.
The British Virgin Islands has competed at every edition of the Pan American Games since the ninth edition of the multi-sport event in 1983. The British Virgin Islands did not compete at the first and only Pan American Winter Games in 1990.
The Netherlands Antilles competed at every edition of the Pan American Games from the second edition of the multi-sport event in 1955 until the 2011 games. Netherlands Antilles did not compete at the only Winter Pan American Games. 2011 marked the last appearance for the country, albeit under the Pan American Sports Organization flag. Since 2015, Curaçaoan and St. Maartener athletes have been eligible to represent Aruba.
The 1999 Pan American Games, officially known as the XIII Pan American Games, were a continental multi-sport event held in Winnipeg, Canada, from July 23 to August 8, 1999. At the Games, 5,000 athletes selected from 42 National Olympic Committees (NOCs) participated in events in 38 sports. Twenty-seven nations earned medals during the competition, and eighteen won at least one gold medal.
The 1995 Pan American Games, officially known as the XII Pan American Games, were a continental multi-sport event held in Mar del Plata, Argentina, from March 11 to March 26, 1995. At the Games, 5,144 athletes selected from 42 National Olympic Committees (NOCs) participated in events in 34 sports. Thirty-one nations earned medals during the competition, and fifteen won at least one gold medal.
The 1991 Pan American Games, officially known as the XI Pan American Games, were a continental multi-sport event held in Havana, Cuba, from August 2 to August 18, 1991. At the Games, 4,519 athletes selected from 39 National Olympic Committees (NOCs) participated in events in 27 sports. Twenty-six nations earned medals during the competition, and fourteen won at least one gold medal.
The 1987 Pan American Games, officially known as the X Pan American Games, were a continental multi-sport event held in Indianapolis, United States, from August 7 to August 23, 1987. At the Games, 4,453 athletes selected from 38 National Olympic Committees (NOCs) participated in events in 27 sports. Twenty-seven nations earned medals during the competition, and fourteen won at least one gold medal.
The 1983 Pan American Games, officially known as the IX Pan American Games, were a continental multi-sport event held in Caracas, Venezuela, from August 14 to August 29, 1983. At the Games, 3,426 athletes selected from 36 National Olympic Committees (NOCs) participated in events in 22 sports. Twenty-one nations earned medals during the competition, and thirteen won at least one gold medal.
The 1975 Pan American Games, officially known as the VII Pan American Games, were a continental multi-sport event held in Mexico City, Mexico, from October 12 to October 26, 1975. At the Games, 3,146 athletes selected from 33 National Olympic Committees (NOCs) participated in events in 19 sports. Twenty-three nations earned medals during the competition, and nine won at least one gold medal.
The 1971 Pan American Games, officially known as the VI Pan American Games, were a continental multi-sport event held in Cali, Colombia, from July 30 to August 13, 1971. At the Games, 2,935 athletes selected from 32 National Olympic Committees (NOCs) participated in events in 17 sports. Twenty nations earned medals during the competition, and fifteen won at least one gold medal.
The 1967 Pan American Games, officially known as the V Pan American Games, were a continental multi-sport event held in Winnipeg, Canada, from July 22 to August 7, 1967. At the Games, 2,361 athletes selected from 29 National Olympic Committees (NOCs) participated in events in 19 sports. Twenty-one nations earned medals during the competition, and eleven won at least one gold medal.
The 1963 Pan American Games, officially known as the IV Pan American Games, were a continental multi-sport event held in São Paulo, Brazil, from April 20 to May 5, 1963. At the Games, 1,665 athletes selected from 22 National Olympic Committees (NOCs) participated in events in 19 sports. Eighteen nations earned medals during the competition and eleven won at least one gold. Barbados, debuting at the Pan American Games, won its first medals, while British Guiana won its first ever gold medal. Colombia, Costa Rica, the Dominican Republic, Haiti, Nicaragua and Paraguay did not send athletes to São Paulo, making it the Games with the lowest number of competitors in history.
The 1959 Pan American Games, officially known as the III Pan American Games, were a continental multi-sport event held in Chicago, United States, from August 27 to September 7, 1959. At the Games, 2,263 athletes selected from 25 National Olympic Committees (NOCs) participated in events in 18 sports. Nineteen nations earned medals during the competition, and eleven won at least one gold medal.
The 1955 Pan American Games, officially known as the II Pan American Games, were a continental multi-sport event held in Mexico City, Mexico, from March 12 to March 26, 1955. At the Games, 2,583 athletes selected from 21 National Olympic Committees (NOCs) participated in events in 17 sports. Seventeen nations earned medals during the competition, and twelve won at least one gold medal.
The 1951 Pan American Games, officially known as the I Pan American Games, were a continental multi-sport event held in Buenos Aires, Argentina, from February 5 to March 9, 1951. At the Games, 2,513 athletes selected from 21 National Olympic Committees (NOCs) participated in events in 18 sports. Seventeen nations earned medals during the competition, and ten won at least one gold medal.
The 1990 Winter Pan American Games, officially known as the I Winter Pan American Games, were a continental winter multi-sport event held in Las Leñas, Argentina, from September 16 to September 22, 1990. At the only Winter Games realized, 97 athletes selected from 8 National Olympic Committees (NOCs) participated in events in 1 sport: alpine skiing. Only Canada and the United States earned medals during the competition.
Puerto Rico 
United States (126)
