| Event: | Judo |
| Games: | 2002 Asian Games |
| Venue: | Gudeok Gymnasium |
| Dates: | 30 September – 3 October 2002 |
| Competitors: | 165 |
| Nations: | 30 |
| Prev: | 1998 |
| Next: | 2006 |
The Judo competition at the 2002 Asian Games was contested in sixteen weight classes, eight each for men and women at the Gudeok Gymnasium.
| P | Preliminary rounds & Repechage | F | Finals |
| Event↓/Date → | 30th Mon | 1st Tue | 2nd Wed | 3rd Thu | |||||
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| Extra lightweight (−60 kg) | |||
| Half lightweight (−66 kg) | |||
| Lightweight (−73 kg) | |||
| Half middleweight (−81 kg) | |||
| Middleweight (−90 kg) | |||
| Half heavyweight (−100 kg) | |||
| Heavyweight (+100 kg) | |||
| Openweight | |||
| Extra lightweight (−48 kg) | |||
| Half lightweight (−52 kg) | |||
| Lightweight (−57 kg) | |||
| Half middleweight (−63 kg) | |||
| Middleweight (−70 kg) | |||
| Half heavyweight (−78 kg) | |||
| Heavyweight (+78 kg) | |||
| Openweight | |||
A total of 165 athletes from 30 nations competed in judo at the 2002 Asian Games: