| Event: | Biathlon |
| Games: | 2003 Asian Winter Games |
| Venue: | Iwakisan Sports Park |
| Dates: | 3–7 February 2003 |
| Competitors: | 35 |
| Nations: | 5 |
| Prev: | 1999 |
| Next: | 2007 |
Biathlon at the 2003 Asian Winter Games was held at the Iwakisan Sports Park in Iwaki, Japan from 3 February to 7 February 2003.
| F | Final |
| Event↓/Date → | 3rd Mon | 4th Tue | 5th Wed | 6th Thu | 7th Fri | |
|---|---|---|---|---|---|---|
| F | ||||||
| F | ||||||
| F | ||||||
| F | ||||||
| F | ||||||
| F |
| 10 km sprint | ||||
| 12.5 km pursuit | ||||
| 4 × 7.5 km relay | Sunao Noto Hironao Meguro Tatsumi Kasahara Kyoji Suga | Son Hae-kwon Kim Kyung-tae Shin Byung-kook Park Yoon-bae | Qiu Lianhai Zhang Hongjun Zhang Qing Wang Xin |
| 7.5 km sprint | ||||
| 10 km pursuit | ||||
| 4 × 6 km relay | Kong Yingchao Liu Xianying Sun Ribo Yu Shumei | Sanae Takano Tamami Tanaka Ikuyo Tsukidate Kanae Suzuki | Yelena Dubok Olga Dudchenko Inna Mozhevitina Viktoriya Afanasyeva |
A total of 35 athletes from 5 nations competed in biathlon at the 2003 Asian Winter Games: