The 2003 Tournament of the Americas in basketball, later known as the FIBA Americas Championship and the FIBA AmeriCup, was hosted by Puerto Rico, from August 20 to August 31, 2003. The games were played in San Juan, at the Roberto Clemente Coliseum. This FIBA AmeriCup was to earn the three berths allocated to the Americas for the 2004 Olympics in Athens, Greece. The United States won the tournament, the country's fifth AmeriCup championship.

The USA Basketball Men's National Team, commonly known as the United States men's national basketball team, is the basketball team representing the United States. It is the most successful team in international competition, winning medals in all nineteen Olympic tournaments it has entered, including sixteen golds. In the professional era, the team won the Olympic gold medal in 1992, 1996, 2000, 2008, 2012, 2016, and 2020. Two of its gold medal-winning teams were inducted to the Naismith Memorial Basketball Hall of Fame in August 2010: the 1960 team, which featured six Hall of Famers, and the 1992 "Dream Team", featuring 14 Hall of Famers. The team is currently ranked first in the FIBA World Rankings.