The 2003 Asian Judo Championships were held in Jeju, South Korea from 31 October to 1 November 2003.
| Event | Gold | Silver | Bronze |
|---|---|---|---|
| Extra lightweight −48 kg | Kim Young-ran | Kayo Kitada | Gao Lijuan |
| Zinura Djuraeva | |||
| Half lightweight −52 kg | Kim Kyung-ok | Aiko Sato | Angom Anita Chanu |
| Li Ying | |||
| Lightweight −57 kg | Kie Kusakabe | Khishigbatyn Erdenet-Od | Jung Hye-mi |
| Yang Hsien-tzu | |||
| Half middleweight −63 kg | Yoshie Ueno | Lee Bok-hee | Wang Chin-fang |
| Tan Fafang | |||
| Middleweight −70 kg | Hitomi Kaiyama | Bae Eun-hye | Liu Shu-yun |
| Wang Juan | |||
| Half heavyweight −78 kg | Mizuho Matsuzaki | Varvara Masyagina | Dorjgotovyn Tserenkhand |
| Lee So-yeon | |||
| Heavyweight +78 kg | Liu Huanyuan | Choi Sook-ie | Erdene-Ochiryn Dolgormaa |
| Miyuki Tokuda | |||
| Openweight | Jia Xueying | Kei Eguchi | Lee Hsiao-hung |
| Erdene-Ochiryn Dolgormaa |
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 | 6 | 5 | 4 | 15 | |
| 2 | 4 | 7 | 3 | 14 | |
| 3 | 2 | 2 | 6 | 10 | |
| 4 | 2 | 0 | 4 | 6 | |
| 5 | 1 | 1 | 3 | 5 | |
| 1 | 1 | 3 | 5 | ||
| 7 | 0 | 0 | 4 | 4 | |
| 8 | 0 | 0 | 3 | 3 | |
| 9 | 0 | 0 | 2 | 2 | |
| Totals (9 entries) | 16 | 16 | 32 | 64 | |