| Event: | Biathlon |
| Games: | 1986 Asian Winter Games |
| Venue: | Makomanai Park |
| Dates: | 3–7 March 1986 |
| Next: | 1990 |
Biathlon at the 1986 Asian Winter Games took place in the city of Sapporo, Japan from 3 to 7 March 1986 in Makomanai Park with three events contested — all of them men's events. The host nation Japan dominated the event by winning all gold medals, China finished second, South Korea third.
| 10 km sprint | |||||
| 20 km individual | |||||
| 4 × 7.5 km relay | Isao Yamase Koichi Sato Hirohide Sato Tadashi Nakamura | valign=top | Kang Tae-soo Hong Byung-sik Joung Young-suk Hwang Byung-dae |