The2003 ABC Championship qualification was held in late 2002 and early 2003 with theGulf region,West Asia,Southeast Asia,East Asia and Middle Asia (Central Asia andSouth Asia) each conducting tournaments.
The following are eligible to participate:
| Rank | Team |
|---|---|
 |  China |
 |  Lebanon |
 |  South Korea |
| 4 |  Syria |
| 5 |  Qatar |
| 6 |  Japan |
| 7 |  Chinese Taipei |
| 8 |  India |
| 9 |  Uzbekistan |
| 10 |  United Arab Emirates |
| 11 |  Hong Kong |
| 12 |  Kuwait |
| 13 |  Thailand |
| 14 |  Singapore |
| East Asia (3+2) | Gulf (1+2) | Middle Asia (2) | Southeast Asia (2) | West Asia (2+2) |
|---|---|---|---|---|
| China | Qatar | Uzbekistan |  Philippines | Lebanon |
| South Korea | United Arab Emirates | India |  Malaysia | Syria |
| Japan |  Saudi Arabia |  Jordan | ||
| Chinese Taipei |  Iran | |||
| Hong Kong |
* Withdrew,
Kazakhstan and Kuwait were given a wild card entry into the championship.
All the others withdrew, so Chinese Taipei and Hong Kong qualified automatically.
The2002 Gulf Basketball Association Championship is the qualifying tournament for the2003 ABC Championship. the two best teams excluding Qatar qualifies for 2003 ABC Championship. The tournament was held atDubai,United Arab Emirates.
| Team | Pld | W | L | PF | PA | PD | Pts | Tiebreaker |
|---|---|---|---|---|---|---|---|---|
| Qatar | 4 | 3 | 1 | 293 | 251 | +42 | 7 | 1–0 |
| United Arab Emirates | 4 | 3 | 1 | 291 | 268 | +23 | 7 | 0–1 |
| Saudi Arabia | 4 | 2 | 2 | 325 | 325 | 0 | 6 | 1–0 |
 Bahrain | 4 | 2 | 2 | 313 | 335 | −22 | 6 | 0–1 |
| Kuwait | 4 | 0 | 4 | 298 | 341 | −43 | 4 |
| Rank | Team |
|---|---|
| United Arab Emirates |
| Qatar |
| Saudi Arabia |
| 4 | Bahrain |
| 5 | Kuwait |
The2003 Middle Asia Basketball Championship is the qualifying tournament for the2003 ABC Championship. the two best teams qualifies for 2003 ABC Championship. The tournament was held atNew Delhi,India.
| Team | Pld | W | L | PF | PA | PD | Pts |
|---|---|---|---|---|---|---|---|
| Uzbekistan | 4 | 4 | 0 | 429 | 185 | +248 | 8 |
| India | 4 | 3 | 1 | 420 | 242 | +178 | 7 |
 Bangladesh | 4 | 2 | 2 | 211 | 335 | −124 | 6 |
 Sri Lanka | 4 | 1 | 3 | 247 | 372 | −125 | 5 |
 Nepal | 4 | 0 | 4 | 224 | 401 | −177 | 4 |
| 5th Southeast Asian Basketball Championship | |
|---|---|
| Tournament details | |
| Host country | Malaysia |
| Dates | 19–21 August |
| Teams | 4 |
| Venue(s) | 1 (in 1 host city) |
| Final positions | |
| Champions | Philippines(3rd title) |
←2001 2005 → | |
The5thSoutheast Asia Basketball AssociationChampionship is the qualifying tournament for the2003 ABC Championship. the two best teams qualifies for 2003 ABC Championship. The tournament was held atKuala Lumpur,Malaysia.
| Team | Pld | W | L | PF | PA | PD | Pts |
|---|---|---|---|---|---|---|---|
| Philippines | 3 | 3 | 0 | 278 | 185 | +93 | 6 |
| Malaysia | 3 | 2 | 1 | 250 | 232 | +18 | 5 |
| Thailand | 3 | 1 | 2 | 203 | 234 | −31 | 4 |
 Vietnam | 3 | 0 | 3 | 195 | 275 | −80 | 3 |
The2002/2003 West Asia Basketball Association Championship is the qualifying tournament for the2003 ABC Championship. the two best teams qualifies for 2003 ABC Championship. The tournament supposed to be held in 3 stages inJordan,Iran andIraq in late 2002 and early 2003 but the last round was cancelled.
| Team | Pld | W | L | PF | PA | PD | Pts | Tiebreaker |
|---|---|---|---|---|---|---|---|---|
| Jordan | 4 | 3 | 1 | 327 | 285 | +42 | 7 | 1–1 / 1.088 |
| Iran | 4 | 3 | 1 | 295 | 292 | +3 | 7 | 1–1 / 0.919 |
 Iraq | 4 | 0 | 4 | 268 | 313 | −45 | 4 |
