| Kostritsina Ekaterina Sergeevna b. 24.04.1986 · Nominated · LDPR | Regional assembly, Novgorod Oblast, 2021 19.09.2021 · Novgorod Oblast |
| Kostrov Aleksandr Valerevich b. 03.04.1988 · Nominated · Communists of Russia | Regional assembly, Rostov Oblast, 2013 08.09.2013 · Rostov Oblast |
| Kostrov Aleksey Aleksandrovich b. 16.06.1976 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2018 09.09.2018 · Yaroslavl Oblast |
| Kostrov Vitaliy Vladislavovich b. 25.09.1987 · Nominated · United Russia | Regional assembly, Kirov Oblast, 2016 18.09.2016 · Kirov Oblast |
| Kostrov Evgeniy Viktorovich b. 24.04.1963 · Nominated · A Just Russia | Regional assembly, Kemerovo Oblast – Kuzbass, 2023 10.09.2023 · Kemerovo Oblast – Kuzbass |
| Kostrov Evgeniy Viktorovich b. 24.04.1963 · Nominated · A Just Russia | Regional assembly, Kemerovo Oblast – Kuzbass, 2023 10.09.2023 · Kemerovo Oblast – Kuzbass |
| Kostrov Nikolay Aleksandrovich b. 08.09.1965 · Nominated · United Russia | By-election · Regional assembly, Yaroslavl Oblast, 2024 08.09.2024 · Yaroslavl Oblast |
| Kostrov Oleg Evgenevich b. 2004 · Nominated · New People | Regional assembly, Vologda Oblast, 2026 20.09.2026 · Vologda Oblast |
| Kostrov Renat Alekseevich b. 02.08.1942 · Nominated · A Just Russia | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Kostrov Yaroslav Vsevolodovich b. 01.06.1989 · Nominated · A Just Russia | Regional assembly, Saint Petersburg, 2021 19.09.2021 · Saint Petersburg |
| Kostrov Yaroslav Vsevolodovich b. 01.06.1989 · Nominated · A Just Russia | Regional assembly, Saint Petersburg, 2021 19.09.2021 · Saint Petersburg |
| Kostrova Anna Igorevna b. 1986 · Nominated · New People | Regional assembly, Vologda Oblast, 2026 20.09.2026 · Vologda Oblast |
| Kostrova Ekaterina Aleksandrovna b. 15.04.2000 · Nominated · New People | Regional assembly, Sverdlovsk Oblast, 2021 19.09.2021 · Sverdlovsk Oblast |
| Kostrova Ekaterina Vladimirovna b. 11.04.1991 · Nominated · Communists of Russia | Regional assembly, Stavropol Krai, 2021 19.09.2021 · Stavropol Krai |
| Kostrova Margarita Vladimirovna b. 05.02.1977 · Nominated · RPSS | Regional assembly, Khanty-Mansi Autonomous Okrug, 2021 19.09.2021 · Khanty-Mansi Autonomous Okrug |
| Kostrovskaya Marina Vladimirovna b. 06.10.1973 · Nominated · United Russia | Regional assembly, Stavropol Krai, 2021 19.09.2021 · Stavropol Krai |
| Kostromin Andrey Vasilevich b. 01.10.1964 · Nominated · Yabloko | Regional assembly, Kaliningrad Oblast, 2021 19.09.2021 · Kaliningrad Oblast |
| Kostromin Andrey Igorevich b. 09.03.1988 · Nominated · Party of Growth | Regional assembly, Sverdlovsk Oblast, 2016 18.09.2016 · Sverdlovsk Oblast |
| Kostromin Denis Vladimirovich b. 04.10.1981 · Nominated · LDPR | Regional assembly, Mari El Republic, 2014 14.09.2014 · Mari El Republic |
| Kostromin Denis Vladimirovich b. 04.10.1981 · Nominated · LDPR | Regional assembly, Mari El Republic, 2014 14.09.2014 · Mari El Republic |
| Kostromin Evgeniy Filippovich b. 01.03.1953 · Nominated · CPRF | Regional assembly, Magadan Oblast, 2015 13.09.2015 · Magadan Oblast |
| Kostromin Pavel Sergeevich b. 31.10.1985 · Nominated · CPRF | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Kostrubin Konstantin Sergeevich b. 21.02.1980 · Nominated · CPRF | Regional assembly, Republic of Karelia, 2016 18.09.2016 · Republic of Karelia |
| Kostrubin Konstantin Sergeevich b. 21.02.1980 · Nominated · CPRF | Regional assembly, Republic of Karelia, 2016 18.09.2016 · Republic of Karelia |
| Kostrubitskiy Aleksey Aleksandrovich b. 24.08.1978 · Nominated · United Russia | Regional assembly, Donetsk People’s Republic, 2023 10.09.2023 · Donetsk People’s Republic |
| Kostryshov Vladimir Yurevich b. 13.03.1986 · Nominated · A Just Russia | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Kostryukov Evgeniy Ivanovich b. 16.04.1967 · Nominated · Rodina | Regional assembly, Volgograd Oblast, 2014 14.09.2014 · Volgograd Oblast |
| Kostryukov Ivan Vasilevich b. 26.05.1987 · Nominated · A Just Russia | Regional assembly, Sevastopol, 2024 08.09.2024 · Sevastopol |
| Kostryukova Vera Ivanovna b. 04.04.1978 · Nominated · United Russia | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Kostusenko Artem Ilich b. 01.01.1985 · Nominated · A Just Russia | Regional assembly, Novgorod Oblast, 2016 18.09.2016 · Novgorod Oblast |
| Kostusenko Ilya Ilich b. 02.08.1958 · Nominated · A Just Russia | Regional assembly, Novgorod Oblast, 2021 19.09.2021 · Novgorod Oblast |
| Kostygin Valentin Aleksandrovich b. 14.07.1961 · Nominated · CPRF | Regional assembly, Kamchatka Krai, 2021 19.09.2021 · Kamchatka Krai |
| Kostyk Elena Valerevna b. 04.01.1974 · Nominated · CPRF | Regional assembly, Arkhangelsk Oblast, 2013 08.09.2013 · Arkhangelsk Oblast |
| Kostylev Anatoliy Stepanovich b. 10.01.1946 · Nominated · A Just Russia | Regional assembly, Altai Krai, 2021 19.09.2021 · Altai Krai |
| Kostylev Valentin Alekseevich b. 17.02.1954 · Nominated · United Russia | Regional assembly, Perm Krai, 2016 18.09.2016 · Perm Krai |
| Kostylev Leonid Evgenevich b. 08.05.1989 · Nominated · A Just Russia | Regional assembly, Republic of Bashkortostan, 2013 08.09.2013 · Republic of Bashkortostan |
| Kostylev Leonid Evgenevich b. 08.05.1989 · Nominated · A Just Russia | Regional assembly, Republic of Bashkortostan, 2013 08.09.2013 · Republic of Bashkortostan |
| Kostyrev Aleksandr Nikolaevich b. 15.01.1985 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2013 08.09.2013 · Yaroslavl Oblast |
| Kostyrev Aleksandr Nikolaevich b. 15.01.1985 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2013 08.09.2013 · Yaroslavl Oblast |
| Kostyrev Aleksandr Nikolaevich b. 15.01.1985 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2018 09.09.2018 · Yaroslavl Oblast |
| Kostyrev Ilya Nikolaevich b. 10.09.1987 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2013 08.09.2013 · Yaroslavl Oblast |
| Kostyrev Ilya Nikolaevich b. 10.09.1987 · Nominated · A Just Russia | Regional assembly, Yaroslavl Oblast, 2018 09.09.2018 · Yaroslavl Oblast |
| Kostyrev Sergey Nikolaevich b. 28.07.1949 · Nominated · A Just Russia | Regional assembly, Krasnodar Krai, 2022 11.09.2022 · Krasnodar Krai |
| Kostyrev Sergey Nikolaevich b. 28.07.1949 · Nominated · A Just Russia | Regional assembly, Krasnodar Krai, 2022 11.09.2022 · Krasnodar Krai |
| Kostyreva Ekaterina Gennadevna b. 18.09.1985 · Nominated · United Russia | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
| Kostyrin Denis Vladimirovich b. 17.09.1977 · Nominated · Cossack Party | Regional assembly, Lipetsk Oblast, 2016 18.09.2016 · Lipetsk Oblast |
| Kostyrko Viktor Ivanovich b. 24.05.1948 · Nominated · Party of Pensioners | Regional assembly, Omsk Oblast, 2021 19.09.2021 · Omsk Oblast |
| Kostyrya Boris Ivanovich b. 03.07.1963 · Nominated · CPRF | Regional assembly, Republic of Buryatia, 2023 10.09.2023 · Republic of Buryatia |
| Kostychakov Vladimir Fedorovich b. 10.05.1967 · Nominated · Communists of Russia | Regional assembly, Ivanovo Oblast, 2023 10.09.2023 · Ivanovo Oblast |
| Kostychakov Vladimir Fedorovich b. 10.05.1967 · Nominated · Communists of Russia | Regional assembly, Republic of Khakassia, 2023 10.09.2023 · Republic of Khakassia |
