2023 Irkutsk Oblast Legislative Assembly election|
|
| Turnout | 24.21% | 
|---|
| 
|  | Majority party | Minority party | Third party |  
|  |  |  |  |  
| Candidate | Igor Kobzev | Sergey Levchenko | Leonid Slutsky |  
| Leader | Dmitry Medvedev | Gennady Zyuganov | Leonid Slutsky |  
| Party | United Russia | CPRF | LDPR |  
| Last election | 17 seats, 27.83% | 18 seats, 33.94% | 4 seats, 15.80% |  
| Seats won | 35 | 4 | 2 |  
| Seat change | 18 | 14 | 2 |  
| Popular vote | 242,261 | 68,644 | 42,694 |  
| Percentage | 54.60% | 15.47% | 9.62% |  
| Swing | 26.77% | 18.47% | 6.18% |  
| 
 |  
|  | Fourth party | Fifth party | Sixth party |  
|  |  NL |  SR-ZP |  RPSS |  
| Candidate | Aleksandr Gudkov | Larisa Yegorova | Lilia Negrun |  
| Leader | Aleksey Nechayev | Sergey Mironov | Konstantin Rykov |  
| Party | New People | SR-ZP | RPSS |  
| Last election | Did not exist | 3 seats, 7.04% | 0 seats, 4.84% |  
| Seats won | 2 | 2 | 0 |  
| Seat change | Did not exist | 1 |  |  
| Popular vote | 32,587 | 31,314 | 5,901 |  
| Percentage | 7.34% | 7.06% | 1.33% |  
| Swing | Did not exist | 0.02% | 3.51% |  |
 | 
The 2023 Legislative Assembly of Irkutsk Oblast election took place on 8–10 September 2023, on common election day. All 45 seats in the Legislative Assembly were up for reelection.