Swimming was contested at the 1986 Asian Games in Jamsil Indoor Swimming Pool, Seoul, South Korea from 21 September to 26 September 1986.
Medalists
Men
Women
Medal table
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  Japan (JPN) | 17 | 18 | 10 | 45 |
| 2 |  China (CHN) | 10 | 8 | 7 | 25 |
| 3 |  South Korea (KOR) | 2 | 0 | 4 | 6 |
| 4 |  Malaysia (MAL) | 0 | 2 | 2 | 4 |
| 5 |  India (IND) | 0 | 1 | 0 | 1 |
| 6 |  Singapore (SIN) | 0 | 0 | 3 | 3 |
| 7 |  Indonesia (INA) | 0 | 0 | 2 | 2 |
| 8 |  Hong Kong (HKG) | 0 | 0 | 1 | 1 |
| Totals (8 entries) | 29 | 29 | 29 | 87 | |
References
- New Straits Times, September 24–29, 1986
- Sports 123: Asian Games
