Bion 11 was a Russian space mission that was part of the Bion series of space flights. It carried newts, snails, Drosophila flies and other insects, bacteria, and two macaque monkeys (Macaca mulatta), Lapik and Multik. Both monkeys were safe at landing but Multik died of a heart attack during medical tests under general anaesthetic on January 8, 1997.
- Launch date: December 24, 1996.
- Launch Site: Plesetsk.
- Launch Vehicle: Soyuz 11A511U.
- Perigee: 216 km.
- Apogee: 375 km.
- Inclination: 62.8 deg.
- Duration: 14.00 days.