| Kostroma Oblast Duma | |
| Native Name: | Костромская областная дума |
| Legislature: | 6th legislature |
| Coa Pic: | Coat of arms of Kostroma Oblast.svg |
| Coa Res: | 110px |
| House Type: | Unicameral |
| Leader1 Type: | Chairman |
| Leader1: | Aleksey Anokhin |
| Party1: | United Russia |
| Election1: | 7 October 2015 |
| Members: | 35 |
| Structure1: | 2020 Kostroma Oblast legislative election diagram.svg |
| Structure1 Res: | 250px |
| Political Groups1: | United Russia (24) CPRF (2) SRZP (2) Social Protection Party (2) LDPR (1) RPPSJ (1) Yabloko (1) New People (1) Independent (1) |
| Voting System1: | Mixed |
| First Election1: | 13 March 1994 |
| Last Election1: | 13 September 2020 |
| Next Election1: | 2025 |
| Meeting Place: | 2 Soviet Square, Kostroma |
The Kostroma Oblast Duma (ru|Костромская областная дума|Kostromskaya oblastnaya duma) is the regional parliament of Kostroma Oblast, a federal subject of Russia. A total of 35 deputies are elected for five-year terms.[1]
| Party | Seats |
|---|---|
| 14 | |
| 5 | |
| 4 | |
| 2 | |
| 2 | |
| 1 | |
| Party | Seats |
|---|---|
| 26 | |
| 4 | |
| 3 | |
| 2 | |
| Party | Seats |
|---|---|
| 27 | |
| 3 | |
| 2 | |
| 1 | |
| Party | Seats |
|---|---|
| 24 | |
| 2 | |
| 2 | |
| Party of Social Protection | 2 |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |