Judo at the 2000 Summer Olympics – Men's 100 kg
| Judo at the 2000 Summer Olympics  | |||||
|---|---|---|---|---|---|
| Men | Women | ||||
| 60 kg | 48 kg | ||||
| 66 kg | 52 kg | ||||
| 73 kg | 57 kg | ||||
| 81 kg | 63 kg | ||||
| 90 kg | 70 kg | ||||
| 100 kg | 78 kg | ||||
| +100 kg | +78 kg | ||||
These are the results of the men's 100 kg (also known as half heavyweight) competition in judo at the 2000 Summer Olympics in Sydney. A total of 33 men competed in this event, limited to jūdōka whose body weight was less than, or equal to, 100 kilograms. Competition took place in the Sydney Convention and Exhibition Centre on 21 September.
Medalists
| Gold | Kosei Inoue Japan |
| Silver | Nicolas Gill Canada |
| Bronze | Iouri Stepkine Russia |
| Bronze | Stéphane Traineau France |
Tournament results
First round
As there were more than 32 qualifiers for the tournament, three first round matches were held to reduce the field to 32 judoka.
-
Bassel El Gharbawy (EGY) defeated 
Song Qitao (CHN)
Main bracket
The gold and silver medalists were determined by the final match of the main single-elimination bracket.
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Repechage
The losing semifinalists as well as those judoka eliminated in earlier rounds by the four semifinalists of the main bracket advanced to the repechage. These matches determined the two bronze medalists for the event.
| First round | Quarterfinals | Semifinals | Bronze medal finals | ||||||||||
 Sonnemans (NED) |
L | Stepkine (RUS) |
W | ||||||||||
| Sonnemans (NED) |
W | .svg.png){kind=small} Jikurauli (GEO) |
W |  Guido (ITA) |
L | ||||||||
 Soares (POR) |
L | Jikurauli (GEO) |
L | ||||||||||
| Stepkine (RUS) |
W | ||||||||||||
| Stepkine (RUS) |
W | ||||||||||||
| Stepkine (RUS) |
W |  Hand (USA) |
L | ||||||||||
 Belgroun (ALG) |
L | ||||||||||||
 Kessel (CUB) |
L |  Zeevi (ISR) |
L | ||||||||||
| Kessel (CUB) |
W | Zeevi (ISR) |
W | Traineau (FRA) |
W | ||||||||
 Gowing (NZL) |
L | Zeevi (ISR) |
W | ||||||||||
 Sabino (BRA) |
L | ||||||||||||
 Bagdasarov (UZB) |
L | ||||||||||||
| Bagdasarov (UZB) |
W | Sabino (BRA) |
W | ||||||||||
 Khalki (TUN) |
L | ||||||||||||