The 1981 Asian Judo Championships were held at Jakarta, Indonesia in July.
| 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) | |||
| Openweight | |||
| Extra-lightweight (48 kg) | |||
| Half-lightweight (52 kg) | |||
| Lightweight (56 kg) | |||
| Half-middleweight (61 kg) | |||
| Middleweight (66 kg) | |||
| none | |||
| Half-heavyweight (72 kg) | |||
| none | |||
| Heavyweight (+72 kg) | |||
| none | |||
| Openweight | |||