| Event: | Judo |
| Games: | 2000 Summer |
| Venue: | Sydney Convention and Exhibition Centre |
| Dates: | 16 to 22 September 2000 |
| Prev: | 1996 |
| Next: | 2004 |
Final results for the Judo events at the 2000 Summer Olympics:[1]
| 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 | |||
| 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 | |||
A total of 386 Judokas from 89 countries competed in the 2000 Summer Olympics.
See main article: Judo at the 2000 Summer Olympics – Qualification. An NOC may enter up to one athlete per weight category. The qualifying places were allocated as follows:[2]
| Event/Union | Location | Men | Women | Totals | ||
|---|---|---|---|---|---|---|
| World Championships |  Birmingham | 8 | 8 | 112 | ||
| Unions | African Judo Union | — | 3 | 2 | 35 | |
| Judo Union of Asia | — | 5 | 3 | 56 | ||
| European Judo Union | — | 9 | 5 | 98 | ||
| Oceania Judo Union | — | 1 | 1 | 14 | ||
| Pan American Judo Union | — | 6 | 3 | 63 | ||
| Host Nation (AUS) | — | 4 | 3 | 7 | ||
| Tripartite Commission Invitation places | — | 15 | ||||
| TOTAL | 400 | |||||