| Event: | Judo |
| Governing Body: | IOC |
| Year: | 1988 |
| Type: | Summer |
| Venue: | Jangchung Gymnasium |
| Location: | Seoul, South Korea |
| Dates: | 25 September – 1 October 1988 |
| Competitors: | 119 |
| Nations: | 62 |
| Prev: | 1984 |
| Next: | 1992 --> |
The Judo competition at the 1988 Summer Olympics continued the seven weight classes first used at the 1980 Games. The open division was eliminated from the competition. Women's judo made its first appearance at the Olympic Games, as a demonstration sport. Japan failed to claim the top of the medal count for the first time in an Olympics in which they participated, coming in third behind South Korea and Poland.[1]
Peter Seisenbacher from Austria and Hitoshi Saito from Japan won the gold medal in their weight classes, defending their titles from 1984, and becoming the first judoka to win gold at two Olympics.
| Extra Lightweight 60 kg | | |||
| Half Lightweight 65 kg | | |||
| Lightweight 71 kg | | |||
| Half Middleweight 78 kg | | |||
| Middleweight 86 kg | | |||
| Half Heavyweight 95 kg | | |||
| Heavyweight +95 kg | |
Women's judo made its first appearance at the Olympic Games, as a demonstration sport. The following were the results of the women's competition. Women's Judo became an official part of the Olympic games from the 1992 Barcelona games and has been an integral part of the games since.
| −48 kg | Li Zhongyun | Fumiko Ezaki | Cho Min-sun Julie Reardon | |
| −52 kg | Sharon Rendle | Dominique Brun | Alessandra Giungi Kaori Yamaguchi | |
| −56 kg | Suzanne Williams | Liu Guizhu | Catherine Arnaud Regina Philips | |
| −61 kg | Diane Bell | Lynn Roethke | Boguslawa Olechnowicz Noriko Mochida | |
| −66 kg | Hikari Sasaki | Brigitte Deydier | Park Ji-young Roswitha Hartl | |
| −72 kg | Ingrid Berghmans | Bae Mi-jung | Yoko Tanabe Barbara Claßen | |
| +72 kg | Angelique Seriese | Gao Fenglian | Regina Sigmund Margaret Castro |