2023 FIBA Basketball World Cup squads

Angola A 23-player roster was announced on 26 May. The final roster was announced on 23 August. {{FIBA roster header|team=Angola men's national basketball team – 2023 FIBA Basketball World Cup Dominican Republic A 30-player roster was announced on 27 July. The final roster was confirmed on 20 August. {{FIBA roster header Italy A 16-player roster was announced on 19 July. It was reduced to 14 players on 7 August. The final roster was confirmed on 14 August. {{FIBA roster header Philippines A 21-player roster was announced on 6 June. It was reduced to 16 players after the exclusions of Carl Tamayo, Jordan Heading, and Poy Erram due to injuries and the commitment of Utah Jazz guard Jordan Clarkson to play for the country as its naturalized player. The final roster was announced on 23 August. {{FIBA roster header ==Group B==

China An 18-player roster was announced on 13 June. On 24 July 2023, the Chinese Basketball Association announced that Minnesota Timberwolves forward Kyle Anderson had become a naturalized Chinese citizen and would play for the country. The final squad was revealed on 22 August. {{FIBA roster header Puerto Rico A 14-player roster was announced on 27 July. The final squad was revealed on 22 August. {{FIBA roster header Serbia A 20-player roster was announced on 24 July. The final roster was announced on 22 August. South Sudan An 18-player roster was announced on 10 August. The final squad was revealed on 25 August. ==Group C==

Greece A 22-player roster was announced on 20 July. On 13 August, it was reduced to 14 players. The final roster was announced on 19 August. Dinos Mitoglou suffered an injury shortly before the tournament and had to withdraw. Because the replacement deadline had passed, Mitoglou could not be replaced. {{FIBA roster header|team=Greece men's national basketball team – 2023 FIBA Basketball World Cup Jordan A 17-player roster was announced on 16 August. The roster was finalized on 20 August. New Zealand A 14-player roster was announced on 29 June . The final squad was revealed on 24 August. {{FIBA roster header|team=New Zealand national basketball team – 2023 FIBA Basketball World Cup United States The roster was announced on 6 July. {{FIBA roster header|team=United States men's national basketball team – 2023 FIBA Basketball World Cup ==Group D==

Egypt A 20-player roster was announced on 1 August. The final squad was revealed on 22 August. {{FIBA roster header|team=Egypt men's national basketball team – 2023 FIBA Basketball World Cup roster Lithuania A 33-player roster was announced on 12 July. It was reduced to 15 on 25 July. The final 12-player roster was unveiled on 15 August. {{FIBA roster header Mexico A 24-player roster was announced on 13 July. It was reduced to 14 players on 31 July. The final roster was announced on 22 August. {{FIBA roster header Montenegro A 24-player roster was announced on 12 June. It was reduced to 17 players on 21 July. The final squad was revealed on 16 August. {{FIBA roster header|team=Montenegro men's national basketball team – 2023 FIBA Basketball World Cup ==Group E==

Australia An 18-player roster was announced on 8 May. It was reduced to 15 players on 6 August. It was reduced again to 13 players on 9 August. The final squad was revealed on 23 August. {{FIBA roster header Finland A 22-player roster was announced on 19 July. The final group was revealed on 18 August. {{FIBA roster header|team=Finland men's national basketball team – 2023 FIBA Basketball World Cup Germany An 18-player roster was announced on 12 June. It was reduced to 14 players on 7 August, and the final roster was announced on 10 August. {{FIBA roster header|team=Germany men's national basketball team – 2023 FIBA Basketball World Cup Japan A 25-player roster was announced on 19 June. The final roster was revealed on 21 August. {{FIBA roster header | team= Japan national basketball team – 2023 FIBA Basketball World Cup ==Group F==

Cape Verde A 15-player roster was announced on 4 August. The final roster was announced on 23 August. {{FIBA roster header|team=Cape Verde men's national basketball team – 2023 FIBA Basketball World Cup Georgia A 18-player roster was announced on 12 July. The final roster was unveiled on 16 August. {{FIBA roster header Slovenia A 20-player roster was announced on 3 July. The final roster was unveiled on 14 August. {{FIBA roster header|team=Slovenia men's national basketball team – 2023 FIBA Basketball World Cup Venezuela A 21-player roster was announced on 18 July. The final roster was announced on 24 August. {{FIBA roster header|team=Venezuela men's national basketball team – 2023 FIBA Basketball World Cup ==Group G==

Brazil A 25-player roster was announced on 21 June. The group was reduced to 14 players on 2 August. The final roster was announced on 21 August. Raul Neto suffered an injury during the first game and was ruled out for the remainder of the tournament. {{FIBA roster header | team = Brazil men's national basketball team – 2023 FIBA Basketball World Cup Iran A 27-player roster was announced on 9 June. It was reduced to 15 on 31 July. The group was reduced to 13 players on 12 August, and was finalized on 20 August. {{FIBA roster header|team=Ivory Coast men's national basketball team – 2023 FIBA Basketball World Cup Spain A 16-player roster was announced on 5 July. Ricky Rubio withdrew due to mental health problems on 5 August 2023. The final roster was announced on 19 August. {{FIBA roster header | team = Spain men's national basketball team – 2023 FIBA Basketball World Cup ==Group H==

Canada An 18-player roster was announced on 13 July. The group was reduced to 14 players on 7 August. The final roster was announced on 24 August. {{FIBA roster header France The roster was announced on 28 June. Frank Ntilikina withdrew due to an injury and was replaced by Isaia Cordinier. {{FIBA roster header|team=France men's national basketball team – 2023 FIBA Basketball World Cup Latvia A 24-player roster was announced on 28 June. It was reduced to 14 players on 16 August. The final roster was announced on 22 August. {{FIBA roster header|team=Latvia men's national basketball team – 2023 FIBA Basketball World Cup Lebanon A 16-player roster was announced on 21 July. The final roster was announced on 23 August. {{FIBA roster header|team=Lebanon men's national basketball team – 2023 FIBA Basketball World Cup ==Statistics==

Player representation by league system League systems with 13 or more players represented are listed. a As the Euroleague is a multinational league and all competing teams compete in their domestic leagues, the total percentage will be over 100 because of duplications. b Includes players from the NBA, NBA G League, Canadian Elite Basketball League, US NCAA, and US High School teams. Player representation by club Clubs with 5 or more players represented are listed. ==References==