2003 in sports describes the year's events in world sport.

Monique Andrade Ferreira is a freestyle swimmer from Brazil. A member of Santos.

The United States men's national field hockey team represents the United States in the international field hockey competitions. The governing body is the United States Field Hockey Association (USFHA), which is a US Olympic Committee organization.

The Brazil women's national water polo team represents Brazil in international women's water polo competitions and friendly matches.

The Canada men's national water polo team represents Canada in international men's water polo competitions and friendly matches. The team is overseen by Water Polo Canada, a member of the Fédération Internationale de Natation (FINA). The team qualified for the 2008 Summer Olympics in Beijing, PR China by finishing fourth at 2008 Olympic Qualifying Tournament in Romania.
The men's basketball tournament at the 1991 Pan American Games was held from August 3 to 17, 1991 in Havana, Cuba. The women also competed in the Cuban capital, from August 3 to 12. Coliseo de la Ciudad Deportiva was the venue for the games.

Paola Michelle Longoria López is a Mexican racquetball player. She is the current Women's World Champion in both Singles and Doubles, winning both divisions at the 2022 International Racquetball Federation (IRF) World Championships in San Luis Potosi. Longoria is the winningest player in IRF World Championship history, and she is the only woman to win both singles and doubles at Worlds. Longoria is also the #1 player on the Ladies Professional Racquetball Tour (LPRT) tour, and was the first Mexican woman to attain the #1 pro ranking, doing so at the end of the 2008–09 season. She repeated the feat at the end of 2009–2010 season, and has been #1 for ten consecutive seasons. Longoria's style is characterized by a semi-western grip of the racquet, which is unusual for racquetball; Longoria is the only pro player using this grip style.

The Canadian women's national basketball team represents Canada in international basketball competitions. They are overseen by Canada Basketball, the governing body of basketball in Canada. They are currently ranked fifth by FIBA.

Argentina competed at the 2015 Pan American Games in Toronto, Ontario, Canada, from July 10 to 26, 2015. On June 1, 2015, track cyclist and former Olympic gold medalist Walter Pérez was named as the country's flagbearer during the opening ceremony.

Cuba competed at the 2015 Pan American Games in Toronto, Ontario, Canada, from July 10 to 26, 2015.

Mexico competed in the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.

The United States competed at the 2015 Pan American Games in Toronto, Canada, from July 10 to 26, 2015.

Kim Smith Gaucher is a Canadian professional basketball player for the USO Mondeville of the Ligue Féminine de Basketball. She played college basketball for the Utah Etes. She was drafted with the thirteenth overall pick in the 2006 WNBA draft by the Sacramento Monarchs.

Argentina competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.

Puerto Rico competed in the 2019 Pan American Games which took place in Lima, Peru from July 26 to August 11, 2019.

Cuba competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.

Peru was the host nation of the 2019 Pan American Games in Lima, from July 26 to August 11, 2019.

The United States competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019. The team included 313 men and 327 women.

Mexico competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.

Dominican Republic competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.