The 2025 Liga Sudamericana de Básquetbol, or 2025 FIBA South American Basketball League, was the 28th season of the Liga Sudamericana de Básquetbol (LSB), the second tier of basketball in South America organised by FIBA Americas. The season began on 3 October and ended on 7 December 2025.
Nacional were the defending champions, but they did not defend their title since they qualified for 2025–26 Basketball Champions League Americas.
Team allocation The list of teams was confirmed on 2 September 2025 by FIBA. The number of teams was increased from 12 to 16.
1st, 2nd, etc.: Position in national league WC: Wild card
Ferro Carril Oeste Universitario de Sucre Vasco da Gama CD Jorge Guzmán Quimsa Bauru Colegio Los Leones Olimpia Kings Oberá TC Corinthians Motilones del Norte San José Regatas Corrientes Pinheiros Importadora Alvarado Defensor Sporting
Format The format for this LSB season was altered, as in the group phase there will be four groups of four teams. All team will play each other once, for a total of four games per team. The top two ranked teams will advance to the Quarterfinals. In the Quarterfinals, two new groups will be formed, Groups E and F. The qualified teams from Groups A and B will make up Group E, while those from Groups C and D will compete in Group F. There, teams will once again face each opponent once. The top two from each group will move on to the Final 4. The winners of the Semi-Finals in the Final 4 will play for the championship, while the losing teams will battle for third place.
Group stage Sixteen teams participate in the group phase, in which each team faced the other teams in the group once. Each group tournament are held at the arena of a host team. The two highest-placed teams advance to the quarterfinals phase. Games are played from 3 to 29 October 2025.
Group A The games of Group A were played from 3 to 5 October 2025 in Pilar, Paraguay.
Group B The games of Group B were played from 9 to 11 October 2025 in Sucre, Bolivia.
Group C The games of Group C were played from 24 to 26 October 2025 in São Paulo, Brazil.
Group D The games of Group D were played from 27 to 29 October 2025 in Asunción, Paraguay.
Quarterfinals The eight teams which advanced from the group phase played in this stage and were split into two groups, in which each team faced the other teams in the group once. Each group tournament was held at the arena of a host team. The two highest-placed teams advance to the Final 4.
Group E The games of Group E were played from 7 to 9 November 2025 in Capiatá, Paraguay.
Group F The games of Group F were played from 14 to 16 November 2025 in Asunción, Paraguay.
Final Four The Final Four will take place on 6 and 7 December 2025 at the Complejo CONMEBOL SUMA in Luque, Paraguay.
Bracket
Semifinals
Third place game
Final
MVP PlayerTeam Eduardo Vasirani Ferro Carril Oeste
All-Tournament Team PlayerTeam
References