# Judo at the 2000 Summer Olympics – Women's 78 kg

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These are the results of the Women's 78 kg (also known as half-heavyweight) competition in judo at the 2000 Summer Olympics in Sydney. A total of 23 women qualified for this event, limited to jūdōka whose body weight was less than, or equal to, 78 kilograms. Competition took place in the Sydney Convention and Exhibition Centre on 21 September.

## Competitors

| Athlete | Nation |
| Hsu Yuan-Lin | Chinese Taipei |
| Esther San Miguel | Spain |
| Céline Lebrun | France |
| Lee So-yeon | South Korea |
| Uta Kühnen | Germany |
| Mélanie Engoang | Gabon |
| Amy Tong | United States |
| Diadenis Luna | Cuba |
| Kimberly Ribble | Canada |
| Chloe Cowen | Great Britain |
| Laisa Laveti | Fiji |
| Simona Richter | Romania |
| Natalie Jenkinson | Australia |
| Sandra Godinho | Portugal |
| Edinanci Silva | Brazil |
| Sambuu Dashdulam | Mongolia |
| Nasiba Salaeva | Turkmenistan |
| Tang Lin | China |
| Akissa Monney | Ivory Coast |
| Heidi Rakels | Belgium |
| Karin Kienhuis | Netherlands |
| Noriko Anno | Japan |
| Emanuela Pierantozzi | Italy |

## Main bracket

The gold and silver medalists were determined by the final match of the main single-elimination bracket.
| Round of 32 | Round of 32 | Round of 32 | Round of 16 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Gold medal final | Gold medal final | Gold medal final |
| Hsu Yuan-lin (TPE) | Hsu Yuan-lin (TPE) | L | | | | | | | | | | | | |
| Esther San Miguel (ESP) | Esther San Miguel (ESP) | W | Esther San Miguel (ESP) | Esther San Miguel (ESP) | L | | | | | | | | | |
| | | | Céline Lebrun (FRA) | Céline Lebrun (FRA) | W | | | | | | | | | |
| | | | | | | Céline Lebrun (FRA) | Céline Lebrun (FRA) | W | | | | | | |
| | | | | | | Lee So-yeon (KOR) | Lee So-yeon (KOR) | L | | | | | | |
| | | | Lee So-yeon (KOR) | Lee So-yeon (KOR) | W | | | | | | | | | |
| Uta Kühnen (GER) | Uta Kühnen (GER) | W | Uta Kühnen (GER) | Uta Kühnen (GER) | L | | | | | | | | | |
| Mélanie Engoang (GAB) | Mélanie Engoang (GAB) | L | | | | | | | Céline Lebrun (FRA) | Céline Lebrun (FRA) | W | | | |
| | | | | | | | | | Diadenis Luna (CUB) | Diadenis Luna (CUB) | L | | | |
| | | | Amy Tong (USA) | Amy Tong (USA) | L | | | | | | | | | |
| Diadenis Luna (CUB) | Diadenis Luna (CUB) | W | Diadenis Luna (CUB) | Diadenis Luna (CUB) | W | | | | | | | | | |
| Kimberly Ribble (CAN) | Kimberly Ribble (CAN) | L | | | | Diadenis Luna (CUB) | Diadenis Luna (CUB) | W | | | | | | |
| Chloe Cowen (GBR) | Chloe Cowen (GBR) | W | | | | Simona Richter (ROU) | Simona Richter (ROU) | L | | | | | | |
| Laisa Laveti (FIJ) | Laisa Laveti (FIJ) | L | Chloe Cowen (GBR) | Chloe Cowen (GBR) | L | | | | | | | | | |
| | | | Simona Richter (ROU) | Simona Richter (ROU) | W | | | | | | | | | |
| | | | | | | | | | | | | Céline Lebrun (FRA) | Céline Lebrun (FRA) | L |
| | | | | | | | | | | | | Tang Lin (CHN) | Tang Lin (CHN) | W |
| | | | Natalie Jenkinson (AUS) | Natalie Jenkinson (AUS) | L | | | | | | | | | |
| Sandra Godinho (POR) | Sandra Godinho (POR) | L | Edinanci Silva (BRA) | Edinanci Silva (BRA) | W | | | | | | | | | |
| Edinanci Silva (BRA) | Edinanci Silva (BRA) | W | | | | Edinanci Silva (BRA) | Edinanci Silva (BRA) | L | | | | | | |
| | | | | | | Tang Lin (CHN) | Tang Lin (CHN) | W | | | | | | |
| | | | Sambuugiin Dashdulam (MGL) | Sambuugiin Dashdulam (MGL) | L | | | | | | | | | |
| Nasiba Salaeva (TKM) | Nasiba Salaeva (TKM) | L | Tang Lin (CHN) | Tang Lin (CHN) | W | | | | | | | | | |
| Tang Lin (CHN) | Tang Lin (CHN) | W | | | | | | | Tang Lin (CHN) | Tang Lin (CHN) | W | | | |
| | | | | | | | | | Heidi Rakels (BEL) | Heidi Rakels (BEL) | L | | | |
| | | | Akissi Monney (CIV) | Akissi Monney (CIV) | L | | | | | | | | | |
| Heidi Rakels (BEL) | Heidi Rakels (BEL) | W | Heidi Rakels (BEL) | Heidi Rakels (BEL) | W | | | | | | | | | |
| Karin Kienhuis (NED) | Karin Kienhuis (NED) | L | | | | Heidi Rakels (BEL) | Heidi Rakels (BEL) | W | | | | | | |
| | | | | | | Emanuela Pierantozzi (ITA) | Emanuela Pierantozzi (ITA) | L | | | | | | |
| | | | Noriko Anno (JPN) | Noriko Anno (JPN) | L | | | | | | | | | |
| | | | Emanuela Pierantozzi (ITA) | Emanuela Pierantozzi (ITA) | W | | | | | | | | | |

### 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 | First round | Second round | Second round | Third round | Third round | Bronze medal finals | Bronze medal finals |
| San Miguel (ESP) | W | San Miguel (ESP) | L | | | | |
| Bye | L | Lee (KOR) | W | Lee (KOR) | L | Richter (ROU) | W |
| Ribble (CAN) | L | Tong (USA) | L | Richter (ROU) | W | Rakels (BEL) | L |
| Tong (USA) | W | Richter (ROU) | W | | | | |
| Salaeva (TKM) | L | Dashdulam (MGL) | L | | | | |
| Dashdulam (MGL) | W | Silva (BRA) | W | Silva (BRA) | L | Pierantozzi (ITA) | W |
| Kienhuis (NED) | W | Kienhuis (NED) | L | Pierantozzi (ITA) | W | Luna (CUB) | L |
| Monney (CIV) | L | Pierantozzi (ITA) | W | | | | |