The 2023–24 B1 League season was the eighth season of the B1 League, the top Japanese professional basketball league, since its establishment in 2015. The regular season began on 5 October 2023.
The Ryukyu Golden Kings are the defending champions, having won their first B1 League title after defeating the Chiba Jets in the 2023 Finals.
Teams
Team changes Promoted from2022–23 B2 League Relegated from2022–23 B1 League Saga BalloonersNagasaki Velca Niigata Albirex BBShiga Lakes
Coaching changes Team Outgoing IncomingOff-season Ibaraki Robots Richard Glesmann James Andrisevic SeaHorses Mikawa Kimikazu Suzuki Ryan Richman Sunrockers Shibuya Ken Hamanaka Luka PavićevićIn season Ibaraki Robots James Andrisevic Richard Glesmann Toyama Grouses Daisuke Takaoka J. R. Sakuragi
Regular season Standings Central
Eastern
Western
Playoffs Bracket All matches in the playoffs were in a best-of-three series. Teams in bold advanced to the next round.
Quarterfinals (1) Utsunomiya Brex vs. (8) Chiba Jets
(2) San-en NeoPhoenix vs. (7) Hiroshima Dragonflies
(3) Nagoya Diamond Dolphins vs. (6) SeaHorses Mikawa
(4) Alvark Tokyo vs. (5) Ryukyu Golden Kings
Semifinals (3) Nagoya Diamond Dolphins vs. (7) Hiroshima Dragonflies
(5) Ryukyu Golden Kings vs. (8) Chiba Jets
Finals (5) Ryukyu Golden Kings vs. (7) Hiroshima Dragonflies
Statistics Individual statistic leaders Category Player Team Statistic Points per game Perrin Buford Shimane Susanoo Magic 22.6 Rebounds per game Thomas Welsh Levanga Hokkaido 12.2 Assists per game Yuki Kawamura Yokohama B-Corsairs 7.9 Steals per game Koh Flippin Gunma Crane Thunders 1.9 Blocks per game Jordan Heath Kawasaki Brave Thunders 1.7 FG% Scott Eatherton Nagoya Diamond Dolphins 61.0% 3FG% Scott Eatherton Nagoya Diamond Dolphins 47.1% FT% Atsunobu Hirao Ibaraki Robots 91.1%
Team statistic leaders Category Team Statistic Points per game San-en NeoPhoenix 89.5 Rebounds per game Nagoya Diamond Dolphins 34.0 Assists per game San-en NeoPhoenix 22.3 Steals per game Nagasaki Velca 8.0 Blocks per game Chiba Jets 3.6 FG% SeaHorses Mikawa 46.5% 3FG% Sun Rockers Shibuya 38.2% FT% Sun Rockers Shibuya 78.7%
B1 League clubs in Asian competitions Team Competition Progress Chiba Jets East Asia Super League Championship game Ryukyu Golden Kings Group stage Group B
Attendances
References