| IS | |
|---|---|
| Role | Polymorphic Fighter |
| National origin | USSR |
| Manufacturer | Nikitin |
| Designer | Vasilii Vasilyevich Nikitin & Vladimir Vasilyevich Schyevchyenko |
| First flight | 6 November 1940 |
| Number built | 2 |
The Nikitin-Schyevchyenko IS series (Russian: Истребитель складной, romanized: Istrebitel skladnoi, meaning "folding fighter"), were single seat polymorphic fighters designed and produced in the USSR from 1938.