By-elections to the 7th Russian State Duma were held to fill vacancies in the State Duma between the 2016 election and the 2021 election.
The Saratov single-member constituency is a Russian legislative constituency in the Saratov Oblast.
The Balakovo Constituency (No.164) is a Russian legislative constituency in the Saratov Oblast. The constituency comprises the western part of Saratov Oblast, stretching from the Kazakh border to the city of Saratov.
The Engels single-member constituency is a Russian legislative constituency in the Saratov Oblast. The constituency covers southern and southeastern parts of Saratov Oblast and is anchored in the city of Engels.
The Kineshma constituency (No.92) is a Russian legislative constituency in Ivanovo Oblast. Until 2007 the constituency covered most of Ivanovo Oblast east of Ivanovo, however, since 2016 the constituency covers northern half of Ivanovo and northern Ivanovo Oblast.
The Ishim constituency (No.178) was a Russian legislative constituency in Tyumen Oblast in 1993–2007. The constituency covered large portions of upstate Tyumen Oblast to the east of Tyumen. Currently territory of the former Ishim constituency is split between Tyumen constituency and Zavodoukovsk constituency.
The Kirov constituency (No.105) is a Russian legislative constituency in Kirov Oblast. The constituency covers parts of Kirov and northern Kirov Oblast.
The Kirov-Chepetsk constituency (No.106) is a Russian legislative constituency in Kirov Oblast. The constituency covers parts of Kirov and southern Kirov Oblast.
The Kudymkar constituency (No.61) is a Russian legislative constituency in Perm Krai. Previously the constituency covered northern Perm Oblast, however, in 2015 the constituency absorbed the territory of former Komi-Permyak constituency of the Komi-Permyak Autonomous Okrug, which was merged with Perm Oblast in 2005 to create Perm Krai.
The Volgograd constituency (No.81) is a Russian legislative constituency in Volgograd Oblast. The constituency until 2007 covered central Volgograd, however, during 2015 redistricting the constituency was heavily gerrymandered, as it was expanded northward to predominantly rural districts of Mikhaylovka and Volzhsky constituencies.
The Krasnoarmeysky constituency (No.82) is a Russian legislative constituency in Volgograd Oblast. The constituency covers southern Volgograd as well as southern Volgograd Oblast.
The Mikhaylovka constituency (No.83) is a Russian legislative constituency in Volgograd Oblast. Until 2007 the constituency covered rural districts in northwestern Volgograd Oblast, however, after 2015 redistricting the constituency was extended southwards to urban Volgograd.
The Volzhsky constituency (No.84) is a Russian legislative constituency in Volgograd Oblast. Until 2007 the constituency covered rural districts in northeastern Volgograd Oblast as well as the city of Volzhsky, however, after 2015 redistricting the constituency was extended southwards to urban Volgograd.
The Asbest constituency is a Russian legislative constituency in Sverdlovsk Oblast. Until 2007 Artyomovsky constituency covered most of eastern Sverdlovsk Oblast. However, after 2015 redistricting the constituency was significantly altered with most of former Artyomovsky constituency placed into new Asbest constituency, which now stretches from central Yekaterinburg eastwards to the border with Tyumen Oblast.
The Metallurgichesky constituency (No.190) is a Russian legislative constituency in Chelyabinsk Oblast. The constituency covers northern Chelyabinsk Oblast. Until 2007 Kyshtym constituency stretched to the west, covering several districts of the Mountain-Industrial Zone, however, in 2015 it was reconfigured to include parts of urban Chelyabinsk instead.
The Korkino constituency (No.191) is a Russian legislative constituency in Chelyabinsk Oblast. Until 2007 the constituency covered parts of Chelyabinsk and its suburbs, however, in 2015 the constituency was reconfigured to Chelyabinsk's southern suburbs and exurbs.
The Kolomna constituency (No.119) is a Russian legislative constituency in Moscow Oblast. The constituency covers southeastern Moscow Oblast.
The Balashikha constituency (No.117) is a Russian legislative constituency in Moscow Oblast. The constituency covers northeastern suburbs of Moscow.
The 2022 Saratov Oblast Duma election took place on 9–11 September 2022, on common election day, coinciding with the gubernatorial election. All 40 seats in the Oblast Duma were up for reelection.
The 2022 Sakhalin Oblast Duma election took place on 9–11 September 2022, on common election day. All 28 seats in the Oblast Duma were up for reelection.
