| Kosolapov Oleg Yurevich b. 07.06.2003 · Nominated · New People | Regional assembly, Mari El Republic, 2024 08.09.2024 · Mari El Republic |
| Kosolapov Oleg Yurevich b. 07.06.2003 · Nominated · New People | Regional assembly, Mari El Republic, 2024 08.09.2024 · Mari El Republic |
| Kosolapov Oleg Yurevich b. 07.06.2003 · Nominated · New People | Regional assembly, Altai Republic, 2024 08.09.2024 · Altai Republic |
| Kosolapova Natalya Vasilevna b. 22.05.1954 · Withdrawn · Rodina | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Kosonogov Dmitriy Aleksandrovich b. 27.03.1987 · Nominated · Communists of Russia | Regional assembly, Volgograd Oblast, 2014 14.09.2014 · Volgograd Oblast |
| Kosonogov Dmitriy Aleksandrovich b. 27.03.1987 · Nominated · Communists of Russia | By-election · Regional assembly, Volgograd Oblast, 2013 08.09.2013 · Volgograd Oblast |
| Kosonogov Dmitriy Gennadevich b. 09.02.1979 · Nominated · Rodina | Regional assembly, Ulyanovsk Oblast, 2013 08.09.2013 · Ulyanovsk Oblast |
| Kosonogova Svetlana Vladimirovna b. 23.08.1982 · Nominated · Rodina | Regional assembly, Ulyanovsk Oblast, 2013 08.09.2013 · Ulyanovsk Oblast |
| Kosorukov Aleksey Vladimirovich year of birth not listed · Party of Pensioners | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosorukov Artem Yurevich b. 08.06.1979 · Nominated · Communists of Russia | Regional assembly, Ryazan Oblast, 2015 13.09.2015 · Ryazan Oblast |
| Kosorukov Artur Igorevich b. 08.02.1992 · Nominated · CPRF | Regional assembly, Tula Oblast, 2014 14.09.2014 · Tula Oblast |
| Kosourov Viktor Semenovich b. 01.04.1948 · Nominated · United Russia | Regional assembly, Novosibirsk Oblast, 2015 13.09.2015 · Novosibirsk Oblast |
| Kosourov Viktor Semenovich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosoukhov Andrey Petrovich b. 19.08.1960 · Nominated · United Russia | Regional assembly, Altai Krai, 2021 19.09.2021 · Altai Krai |
| Kostaganov Vladimir Aleksandrovich b. 24.01.1956 · Nominated · LDPR | Regional assembly, Bryansk Oblast, 2024 08.09.2024 · Bryansk Oblast |
| Kostaganov Vladimir Aleksandrovich b. 24.01.1956 · Nominated · LDPR | Regional assembly, Bryansk Oblast, 2024 08.09.2024 · Bryansk Oblast |
| Kostaganov Vladimir Aleksandrovich b. 24.01.1956 · Nominated · LDPR | Regional assembly, Bryansk Oblast, 2019 08.09.2019 · Bryansk Oblast |
| Kostaganov Vladimir Aleksandrovich b. 24.01.1956 · Nominated · LDPR | Regional assembly, Bryansk Oblast, 2019 08.09.2019 · Bryansk Oblast |
| Kostarev Aleksandr Vladimirovich b. 1992 · Nominated · LDPR | Regional assembly, Republic of Karelia, 2026 20.09.2026 · Republic of Karelia |
| Kostarev Aleksandr Sergeevich b. 13.08.1984 · Nominated · A Just Russia | Regional assembly, Chelyabinsk Oblast, 2020 13.09.2020 · Chelyabinsk Oblast |
| Kostarev Evgeniy Nikolaevich b. 1979 · Registered · New People | Regional assembly, Komi Republic, 2025 14.09.2025 · Komi Republic |
| Kostarev Mikhail Dmitrievich b. 09.07.1993 · Nominated · New People | Regional assembly, Perm Krai, 2021 19.09.2021 · Perm Krai |
| Kostarev Nikolay Aleksandrovich b. 24.09.1953 · Registered · Yabloko | Regional assembly, Tomsk Oblast, 2007 11.03.2007 · Tomsk Oblast |
| Kostarev Nikolay Aleksandrovich b. 24.09.1953 · Registered · Yabloko | Regional assembly, Tomsk Oblast, 2007 11.03.2007 · Tomsk Oblast |
| Kostarev Sergey Vladimirovich b. 24.06.1961 · Nominated · Yabloko | Regional assembly, Omsk Oblast, 2016 18.09.2016 · Omsk Oblast |
| Kostarev Sergey Vladimirovich b. 24.06.1961 · Nominated · Yabloko | Regional assembly, Omsk Oblast, 2016 18.09.2016 · Omsk Oblast |
| Kostelyanets Dmitriy Evgenevich b. 20.01.1994 · Nominated · A Just Russia | Regional assembly, Rostov Oblast, 2018 09.09.2018 · Rostov Oblast |
| Kostelyanets Evgeniy Leonidovich b. 12.05.1946 · Nominated · A Just Russia | Regional assembly, Rostov Oblast, 2018 09.09.2018 · Rostov Oblast |
| Kostenetskaya Elena Egorovna b. 1976 · Elected · United Russia | Regional assembly, Komi Republic, 2025 14.09.2025 · Komi Republic |
| Kostenko Aleksandr Viktorovich b. 25.04.1987 · Nominated · CPRF | Regional assembly, Donetsk People’s Republic, 2023 10.09.2023 · Donetsk People’s Republic |
| Kostenko Aleksandr Ivanovich b. 24.10.1958 · Nominated · United Russia | Regional assembly, Primorsky Krai, 2016 18.09.2016 · Primorsky Krai |
| Kostenko Aleksandr Ivanovich b. 17.02.1981 · Registered · LDPR | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Kostenko Aleksandr Ivanovich b. 16.03.1957 · Nominated · CPRF | Regional assembly, Republic of Crimea, 2024 08.09.2024 · Republic of Crimea |
| Kostenko Anatoliy Svyatoslavovich b. 09.04.1956 · Nominated · A Just Russia | Regional assembly, Republic of Crimea, 2014 14.09.2014 · Republic of Crimea |
| Kostenko Anton Igorevich b. 1979 · Registered · CPRF | Regional assembly, Chelyabinsk Oblast, 2025 14.09.2025 · Chelyabinsk Oblast |
| Kostenko Anton Igorevich b. 1979 · Registered · CPRF | Regional assembly, Chelyabinsk Oblast, 2025 14.09.2025 · Chelyabinsk Oblast |
| Kostenko Valeriy Nikolaevich b. 05.11.1970 · Nominated · United Russia | Regional assembly, Republic of Adygea, 2016 18.09.2016 · Republic of Adygea |
| Kostenko Viktor Anatolevich b. 1956 · Nominated · Party of Pensioners | Regional assembly, Altai Krai, 2026 20.09.2026 · Altai Krai |
| Kostenko Viktoriya Vladimirovna b. 1991 · Registered · Party of Pensioners | Regional assembly, Kaluga Oblast, 2025 14.09.2025 · Kaluga Oblast |
| Kostenko Viktoriya Vladimirovna b. 23.11.1977 · Nominated · United Russia | Regional assembly, Saratov Oblast, 2017 10.09.2017 · Saratov Oblast |
| Kostenko Elena Grigorevna b. 20.05.1971 · Nominated · LDPR | Regional assembly, Krasnodar Krai, 2022 11.09.2022 · Krasnodar Krai |
| Kostenko Elena Yurevna b. 09.08.1968 · Nominated · LDPR | Regional assembly, Donetsk People’s Republic, 2023 10.09.2023 · Donetsk People’s Republic |
| Kostenko Irina Viktorovna b. 24.03.1962 · Nominated · United Russia | Regional assembly, Smolensk Oblast, 2018 09.09.2018 · Smolensk Oblast |
| Kostenko Lyubov Nikolaevna b. 06.01.1961 · Nominated · Patriots of Russia | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Kostenko Natalya Ivanovna b. 05.10.1972 · Registered · CPRF | Repeat · Regional assembly, Kurgan Oblast, 2007 11.03.2007 · Kurgan Oblast |
| Kostenko Tatyana Dmitrievna b. 13.08.1955 · Nominated · Rodina | Regional assembly, Rostov Oblast, 2013 08.09.2013 · Rostov Oblast |
| Kostenkov Anton Sergeevich b. 22.12.1986 · Nominated · LDPR | Regional assembly, Kaluga Oblast, 2015 13.09.2015 · Kaluga Oblast |
| Kostenok Igor Vladimirovich b. 15.03.1961 · Nominated · CPRF | Regional assembly, Donetsk People’s Republic, 2023 10.09.2023 · Donetsk People’s Republic |
| Kosterev Anatoliy Evgenevich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterev Anatoliy Evgenevich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
