| 2003–04 ABA season | |
| League: | American Basketball Association |
| Sport: | Basketball |
| Duration: | November 2003 – March 2004 |
| Season: | Regular season |
| Mvp: | Joe Crispin, Kansas City Knights[1] |
| Playoffs: | 2004 ABA Playoffs |
| Conf1 Champ: | Kansas City Knights |
| Conf1 Runner-Up: | Juarez Gallos |
| Conf2 Champ: | Long Beach Jam |
| Conf2 Runner-Up: | none |
| Finals: | 2004 ABA Championship |
| Finals Champ: | Long Beach Jam |
| Finals Runner-Up: | Kansas City Knights |
| Seasonslist: | List of ABA seasons |
| Seasonslistnames: | ABA |
| Prevseason Link: | 2001–02 ABA season |
| Prevseason Year: | 2001–02 |
| Nextseason Link: | 2004–05 ABA season |
| Nextseason Year: | 2004–05 |
The 2003–04 ABA season was the third season of the American Basketball Association, and the first season since the league took a year off in 2002 for reorganization. The regular season started in November 2003 and the year ended with the championship game in March 2004 featuring the Long Beach Jam and Kansas City Knights. Long Beach led by Dennis Rodman defeated Kansas City, 126–123 in the championship game[2] to win their first ABA title.
| Team | W | L | Win % | |||||
|---|---|---|---|---|---|---|---|---|
| align=center | align=center | 24 | align=center | 7 | align=center | .774 | ||
| align=center | align=center | 23 | align=center | 9 | align=center | .719 | ||
| align=center | align=center | 18 | align=center | 12 | align=center | .600 | ||
| align=center | align=center | 13 | align=center | 16 | align=center | .448 | ||
| align=center | align=center | 12 | align=center | 18 | align=center | .400 | ||
| align=center | align=center | 10 | align=center | 18 | align=center | .357 | ||
| align=center | align=center | 3 | align=center | 23 | align=center | .115 |