The 2023 NBA Cup was the first ever NBA “in-season tournament” (subsequently renamed to the NBA Cup in 2024). All 30 NBA teams participated in the NBA Cup in a multi-stage tournament format. The first stage being the group stage, with the advancing teams then participating in an 8-team single elimination tournament. The 2023 NBA Cup took place during the dates of November 3, 2023 – December 9, 2023.
- Champion: Los Angeles Lakers
- Tournament MVP: Lebron James
- All-Tournament Team: Tyrese Haliburton, Giannis Antetokounmpo, Kevin Durant, Lebron James, Anthony Davis
2023 NBA Cup Group Stage Results
The NBA Cup group stage is broken into three groups from each conference. The winner of each group moves on to the knockout stage, and each conference also sends the highest ranked, non group winning team to the knockout stage as well.
East Group A
| Finish | Team | W | L | PD |
| 1 | Indiana Pacers | 4 | 0 | +39 |
| 2 | Cleveland Cavaliers | 3 | 1 | +29 |
| 3 | Philadelphia 76ers | 2 | 2 | +9 |
| 4 | Atlanta Hawks | 1 | 3 | -32 |
| 5 | Detroit Pistons | 0 | 4 | -45 |
East Group B
| Finish | Team | W | L | PD |
| 1 | Milwaukee Bucks | 4 | 0 | +46 |
| 2 | New York Knicks | 3 | 1 | +42 |
| 3 | Miami Heat | 2 | 2 | +4 |
| 4 | Charlotte Hornets | 1 | 3 | -54 |
| 5 | Detroit Pistons | 0 | 4 | -38 |
East Group C
| Finish | Team | W | L | PD |
| 1 | Boston Celtics | 3 | 1 | +27 |
| 2 | Orlando Magic | 3 | 1 | +22 |
| 3 | Brooklyn Nets | 3 | 1 | +20 |
| 4 | Toronto Raptors | 1 | 3 | -21 |
| 5 | Chicago Bulls | 0 | 4 | -48 |
WEst Group A
| Finish | Team | W | L | PD |
| 1 | Los Angeles Lakers | 4 | 0 | +74 |
| 2 | Phoenix Suns | 3 | 1 | +34 |
| 3 | Utah Jazz | 2 | 2 | -13 |
| 4 | Portland Trail Blazers | 1 | 3 | -39 |
| 5 | Memphis Grizzlies | 0 | 4 | -56 |
WEST Group B
| Finish | Team | W | L | PD |
| 1 | New Orleans Pelicans | 3 | 1 | +33 |
| 2 | Houston Rockets | 2 | 2 | +10 |
| 3 | Dallas Mavericks | 2 | 2 | -8 |
| 4 | Denver Nuggets | 2 | 2 | -10 |
| 5 | Los Angeles Clippers | 0 | 4 | -25 |
WEST Group C
| Finish | Team | W | L | PD |
| 1 | Sacramento Kings | 4 | 0 | +30 |
| 2 | Minnesota Timberwolves | 3 | 1 | 0 |
| 3 | Golden State Warriors | 2 | 2 | +4 |
| 4 | Oklahoma City Thunder | 1 | 3 | +24 |
| 5 | San Antonio Spurs | 0 | 4 | -58 |
Second-Place Advancing Teams
In the East, the New York Knicks were the highest ranked team that did not win their group with a 3-1 record and point differential of +42.
In the West, the Phoenix Suns were the highest ranked team that did not win their group with a 3-1 record and point differential of +34.
Both the Knicks and Suns advanced to the knockout stage.
2023 NBA Cup Knockout Stage Results
Quarterfinals
The four quarterfinals games took place on December 4-5, 2023:
- Milwaukee Bucks (146) vs. New York Knicks (122)
- Indiana Pacers (122) vs. Boston Celtics (112)
- Los Angeles Lakers (106) vs. Phoenix Suns (103)
- Sacramento Kings (117) vs. New Orleans Pelicans (127)
Semifinals (Las Vegas)
The semifinal games took place in Las Vegas on December 7, 2023.
- Milwaukee Bucks (119) vs. Indiana Pacers (128)
- Los Angeles Lakers (133) vs. New Orleans Pelicans (89)
Championship (Las Vegas)
The first NBA Cup championship game took place on December 9, 2023:
- Indiana Pacers (109) vs. Los Angeles Lakers (123)