Obninsk constituency
| Obninsk single-member constituency | |
|---|---|
|  Constituency of the  Russian State Duma  | |
| Deputy | |
| Federal subject | Kaluga Oblast | 
| Districts | Babyninsky, Duminichsky, Ferzikovsky, Kaluga (Oktyabrsky), Khvastovichsky, Kozelsky, Lyudinovsky, Meshchovsky, Peremyshlsky, Sukhinichsky, Tarussky, Ulyanovsky, Zhizdrinsky, Zhukovsky | 
| Other territory | Germany (Frankfurt-2), Israel (Haifa-2) | 
| Voters | 409,585 (2021) | 
The Obninsk constituency (No.100) is a Russian legislative constituency in Kaluga Oblast. Until 2007 the constituency covered western Kaluga Oblast. However, in 2016 the constituency changed significantly as it switched near all of its territory with Kaluga constituency (but retained Obninsk), so currently Obninsk constituency is based in eastern Kaluga Oblast.