2003 in sports describes the year's events in world sport.
Julie Croteau is an American former college and professional baseball player. She is recognized as the first woman to play men's National Collegiate Athletic Association (NCAA) baseball, as well as the first woman to coach men's NCAA Division I baseball and one of the first women to play in a Major League Baseball-sanctioned league.
The Colorado Silver Bullets were an all-female professional baseball team that played in the United States from 1994 to 1997. The Bullets were the first such team since the folding of the All-American Girls Professional Baseball League in 1954.
Women have a long history in American baseball and many women's teams have existed over the years. Baseball was played at women's colleges in New York and New England as early as the mid-nineteenth century; teams were formed at Vassar College, Smith College, Wellesley College, and Mount Holyoke College. An African American women's team, the Philadelphia Dolly Vardens, was formed in 1867.
Thomas Victor Nicholas Satriano is an American former professional baseball player. Although he began his professional career as a third baseman, he converted to catcher and played 321 games as a backstop during a ten-year, 674-game Major League Baseball career from 1961–1970 for the Los Angeles / California Angels and Boston Red Sox. He batted left-handed, threw right-handed, and was listed as 6 feet 1 inch (1.85 m) tall and 185 pounds (84 kg).
Jennifer Claire Tamas is an American indoor volleyball player. Tamas made her first Olympic appearance at the 2008 Beijing Olympics, and helped Team USA to a silver medal.
The United States women's national baseball team is a national team that represents the United States of America in international women's baseball competitions. It is controlled by USA Baseball and is a member of the Pan American Baseball Confederation (COPABE).
Jenny Dalton-Hill is an American former collegiate All-American softball player and current sports commentator. She played for the Arizona Wildcats from 1993 to 1996 where she won three Women's College World Series championships. Having also played baseball, Dalton-Hill is a former member of the Colorado Silver Bullets and United States women's national baseball team, earning a bronze medal at the 2010 Women's Baseball World Cup. She holds the career Pac-12 and NCAA Division I records in RBIs. She is the first and one of nine NCAA players to hit .400 with 200 RBIs, 50 home runs and an .800 slugging percentage in her career.
Veronica Alvarez is an American baseball catcher. She is a member of the United States women's national baseball team which won a gold medal at the 2015 Pan American Games.
Amanda Karlene Asay was a Canadian baseball and ice hockey player. She played on the Canada women's national baseball team from 2005 to 2021, and was its longest-serving member at the time of her death. She batted and threw right-handed, and played at catcher, first base, and starting pitcher.
Nicole Luchanski is a Canadian baseball player. She is a member of the Canada women's national baseball team which won a silver medal at the 2015 Pan American Games.
Malaika Underwood is a member of the United States women's national baseball team which won a gold medal at the 2015 Pan American Games.
Marti Sementelli is a member of the United States women's national baseball team which won a gold medal at the 2015 Pan American Games.
Lilly Jacobson is a former member of the United States women's national baseball team.
Tara Harbert is a member of the United States women's national baseball team. Her father, Roger Harbert played professional baseball in Australia during the 1960s.
Jenna Marston is a member of the United States women's national baseball team which won a gold medal at the 2015 Pan American Games.
Tamara Zidanšek is a Slovenian tennis player. She has career-high WTA rankings of No. 22 in singles and No. 56 in doubles, and as of June 2021 is the current No. 1 Slovene tennis player in singles. She has won one singles title and four doubles titles on the WTA Tour and two WTA 125 singles titles, as well as 17 singles and four doubles titles on the ITF Circuit. On the junior tour, she was a top 20 junior and had a career-high ranking of No. 16, achieved in December 2015. Playing for the Slovenia Fed Cup team, she has a win–loss record of 9–8.
Claire Eccles is a Canadian baseball player. She is a left-handed pitcher who throws three pitches, including a knuckleball. She has been a member of the women's national baseball team of Canada, and has competed in the 2014 and 2016 Women's Baseball World Cups as well as the 2015 Pan American Games. In 2017, she joined the Victoria HarbourCats of the West Coast League and became the first woman to play in that league. She was also a member of the softball team at the University of British Columbia.
Ashley Grossman is a water polo player. She has competed as a member of the United States women's national water polo team, for both the U.S. Junior and Senior National Teams, including as Team USA won a gold medal in water polo at the 2015 Pan American Games.
Sashel Aitiana Palacios Barajas is an American softball catcher of Mexican descent. After playing college softball for Arizona State, she embarked on a professional career in 2018. She also helped the Mexico national team qualify for the 2020 Summer Olympics, which finished the tournament in fourth place.
United States 
