Biathlon World Championships 1991
The 26th Biathlon World Championships were held in 1991 for the second time in Lahti, Finland.
Men's results
20 km individual
Date: February 24, 1991| Medal | Name | Nation | Penalties | Result |
| Mark Kirchner | 2 | 1:03:05.7 | ||
| Alexandr Popov | 1 | 1:03:33.1 | ||
| Eirik Kvalfoss | 2 | 1:03:38.3 |
10 km sprint
Date: February 19, 1991| Medal | Name | Nation | Penalties | Result |
| Mark Kirchner | 0 | 30:48.1 | ||
| Frank Luck | 1 | 31:12.8 | ||
| Eirik Kvalfoss | 2 | 31:27.9 |
Team event
Date: February 21, 1991| Medal | Name | Nation | Penalties | Result |
| Italy Hubert Leitgeb Gottlieb Taschler Simon Demetz Wilfried Pallhuber | 0 | 1:00:59.8 | ||
| Norway Sverre Istad Jon Åge Tyldum Ivar Michal Ulekleiv Frode Løberg | 1 | 1:01:14.0 | ||
| Soviet Union Anatoliy Zdanovich Sergei Tarasov Sergei Tchepikov Valeriy Medvedtsev | 3 | 1:01:40.8 |
4 × 7.5 km relay
Date: February 23, 1991| Medal | Name | Nation | Penalties | Result |
| Germany Ricco Groß Frank Luck Mark Kirchner Fritz Fischer | 0 | 1:33:33.5 | ||
| Soviet Union Juri Kashkarov Alexandr Popov Sergei Tarasov Sergei Tchepikov | 0 | 1:35:01.3 | ||
| Norway Geir Einang Eirik Kvalfoss Jon Åge Tyldum Gisle Fenne | 0 | 1:35:08.3 |
Women's results
15 km individual
Date: February 24, 1991| Medal | Name | Nation | Penalties | Result |
| Petra Schaaf | 0 | 55:14.9 | ||
| Grete I. Nykkelmo | 4 | 57:13.4 | ||
| Iva Schkodreva | 1 | 57:43.3 |
7.5 km sprint
Date: February 19, 1991| Medal | Name | Nation | Penalties | Result |
| Grete I. Nykkelmo | 2 | 30:01.9 | ||
| Svetlana Davidova | 3 | 30:32.7 | ||
| Elena Golovina | 1 | 30:35.1 |
Team event
Date: February 21, 1991| Medal | Name | Nation | Penalties | Result |
| Soviet Union Yelena Belova Elena Golovina Svetlana Paramygina Svetlana Davidova | 20+11 | 59:08.1 | ||
| Bulgaria Maria Manolova Silvana Blagoeva Nadezda Aleksieva Iva Shkodreva | 1+11 | 59:23.1 | ||
| Norway Synnøve Thoresen Signe Trosten Hildegunn Fossen Unni Kristiansen | 11+2 | 59:53.2 |
3 × 7.5 km relay
Date: February 23, 1991| Medal | Name | Nation | Penalties | Result |
| Soviet Union Yelena Belova Elena Golovina Svetlana Davidova | 0+2 | 1:24:54.3 | ||
| Norway Grete I. Nykkelmo Anne Elvebakk Elin Kristiansen | 0+2 | 1:25:52.0 | ||
| Germany Uschi Disl Kerstin Möring Antje Misersky | 0+7 | 1:28:15.9 |