| Event: | Biathlon |
| Games: | 1990 Asian Winter Games |
| Venue: | Makomanai Park |
| Dates: | 10–13 March 1990 |
| Prev: | 1986 |
| Next: | 1996 |
Biathlon at the 1990 Asian Winter Games took place in the city of Sapporo, Japan with three events contested — all of them men's events. The competition took place from 10 March to 13 March 1990 at the Makomanai Park. China finished first in medal table with two gold medals.
| 10 km sprint | ||||||
| 20 km individual | ||||||
| 4 × 7.5 km relay | valign=top | valign=top | Kim Yong-woon Kim Sang-wook Shin Young-sun Kim Woon-ki |