| Kosterev Anatoliy Evgenevich b. 16.02.1957 · Elected deputy · A Just Russia | Regional assembly, Saint Petersburg, 2007 11.03.2007 · Saint Petersburg |
| Kosterin Evgeniy Alekseevich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterin Evgeniy Alekseevich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterin Evgeniy Alekseevich year of birth not listed · CPRF | Regional assembly, Republic of Mordovia, 2003 07.12.2003 · Republic of Mordovia |
| Kosterin Evgeniy Alekseevich year of birth not listed · CPRF | Regional assembly, Republic of Mordovia, 2003 07.12.2003 · Republic of Mordovia |
| Kostetskaya Ilona Igorevna b. 1987 · Nominated · New People | Regional assembly, Republic of Karelia, 2026 20.09.2026 · Republic of Karelia |
| Kostetskaya Ilona Igorevna b. 1987 · Registered · New People | Regional assembly, Omsk Oblast, 2026 20.09.2026 · Omsk Oblast |
| Kostetskaya Irina Vladimirovna b. 14.05.1965 · Nominated · The Greens | Regional assembly, Tomsk Oblast, 2016 18.09.2016 · Tomsk Oblast |
| Kostetskiy Aleksandr Vladimirovich b. 11.08.1962 · Nominated · United Russia | Regional assembly, Altai Krai, 2016 18.09.2016 · Altai Krai |
| Kostiv Vitaliy Evgenevich b. 27.06.1986 · Nominated · New People | Regional assembly, Donetsk People’s Republic, 2023 10.09.2023 · Donetsk People’s Republic |
| Kostiv Vitaliy Evgenevich b. 27.06.1986 · Nominated · New People | Regional assembly, Luhansk People’s Republic, 2023 10.09.2023 · Luhansk People’s Republic |
| Kostik Irina Anatolevna b. 18.08.1962 · Nominated · United Russia | Regional assembly, Kemerovo Oblast – Kuzbass, 2013 08.09.2013 · Kemerovo Oblast – Kuzbass |
| Kostikina Elena Vladimirovna b. 1979 · Registered · LDPR | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Kostikina Elena Vladimirovna b. 1979 · Registered · LDPR | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Kostikov Aleksandr Alekseevich b. 20.06.1958 · Nominated · Communists of Russia | Regional assembly, Tula Oblast, 2019 08.09.2019 · Tula Oblast |
| Kostikov Aleksandr Vladimirovich b. 1974 · Nominated · United Russia | Regional assembly, Kirov Oblast, 2026 20.09.2026 · Kirov Oblast |
| Kostikov Aleksandr Nikolaevich b. 04.02.1986 · Nominated · LDPR | Regional assembly, Krasnodar Krai, 2017 10.09.2017 · Krasnodar Krai |
| Kostikov Aleksey Nikolaevich b. 28.01.1988 · Nominated · LDPR | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Kostikov Andrey Aleksandrovich b. 25.02.1988 · Nominated · Party of Pensioners | Regional assembly, Bryansk Oblast, 2014 14.09.2014 · Bryansk Oblast |
| Kostikov Andrey Aleksandrovich b. 25.02.1988 · Nominated · Party of Pensioners | Regional assembly, Tula Oblast, 2014 14.09.2014 · Tula Oblast |
| Kostikov Gennadiy Grigorevich year of birth not listed · Party of Pensioners | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostikov Nikolay Nikolaevich b. 24.03.1983 · Nominated · LDPR | Regional assembly, Krasnodar Krai, 2022 11.09.2022 · Krasnodar Krai |
| Kostikov Nikolay Nikolaevich b. 24.03.1983 · Nominated · LDPR | Regional assembly, Krasnodar Krai, 2022 11.09.2022 · Krasnodar Krai |
| Kostikov Nikolay Nikolaevich b. 24.03.1983 · Nominated · LDPR | Regional assembly, Republic of North Ossetia–Alania, 2022 11.09.2022 · Republic of North Ossetia–Alania |
| Kostikov Oleg Vyacheslavovich b. 04.09.1970 · кандидат с отказом от мандата · United Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Kostikova Elena Georgievna b. 1983 · Registered · LDPR | Regional assembly, Republic of Adygea, 2026 20.09.2026 · Republic of Adygea |
| Kostikova Tatyana Petrovna b. 03.09.1979 · Nominated · Yabloko | Regional assembly, Altai Republic, 2014 14.09.2014 · Altai Republic |
| Kostin Aleksandr Nikolaevich b. 03.11.1957 · Nominated · CPRF | Regional assembly, Bryansk Oblast, 2019 08.09.2019 · Bryansk Oblast |
| Kostin Aleksandr Nikolaevich year of birth not listed · CPRF | Regional assembly, Bryansk Oblast, 2004 05.12.2004 · Bryansk Oblast |
| Kostin Aleksandr Nikolaevich b. 03.11.1957 · Nominated · CPRF | Regional assembly, Bryansk Oblast, 2014 14.09.2014 · Bryansk Oblast |
| Kostin Aleksey Valerevich b. 08.03.1982 · Nominated · Party of Pensioners | Regional assembly, Republic of Khakassia, 2018 09.09.2018 · Republic of Khakassia |
| Kostin Aleksey Vladimirovich b. 15.08.1958 · Nominated · LDPR | Regional assembly, Stavropol Krai, 2016 18.09.2016 · Stavropol Krai |
| Kostin Aleksey Georgievich year of birth not listed · LDPR | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostin Andrey Anatolevich b. 10.06.1974 · Nominated · United Russia | Regional assembly, Kabardino-Balkarian Republic, 2014 14.09.2014 · Kabardino-Balkarian Republic |
| Kostin Valeriy Ivanovich b. 08.12.1950 · Withdrawn · Rodina | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Kostin Valeriy Ivanovich b. 08.12.1950 · Nominated · A Just Russia | Regional assembly, Kaliningrad Oblast, 2016 18.09.2016 · Kaliningrad Oblast |
| Kostin Valeriy Ivanovich b. 08.12.1950 · Registered · Rodina | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Kostin Vitaliy Pavlovich b. 27.10.1947 · Registered · United Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod Oblast |
| Kostin Vladimir Aleksandrovich b. 25.08.1984 · Nominated · LDPR | Regional assembly, Kirov Oblast, 2016 18.09.2016 · Kirov Oblast |
| Kostin Vladimir Aleksandrovich b. 25.08.1984 · Nominated · LDPR | Regional assembly, Udmurt Republic, 2022 11.09.2022 · Udmurt Republic |
| Kostin Vladimir Aleksandrovich b. 25.08.1984 · Nominated · LDPR | Regional assembly, Kirov Oblast, 2021 19.09.2021 · Kirov Oblast |
| Kostin Vladimir Aleksandrovich b. 25.08.1984 · Nominated · LDPR | Regional assembly, Mari El Republic, 2019 08.09.2019 · Mari El Republic |
| Kostin Vladimir Aleksandrovich b. 25.08.1984 · Nominated · LDPR | Regional assembly, Kirov Oblast, 2021 19.09.2021 · Kirov Oblast |
| Kostin Vladimir Viktorovich b. 15.01.1965 · Nominated · Patriots of Russia | Regional assembly, Saint Petersburg, 2016 18.09.2016 · Saint Petersburg |
| Kostin Georgiy Vasilevich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostin Evgeniy Lvovich b. 23.09.1984 · Nominated · Green Alternative | Regional assembly, Komi Republic, 2020 13.09.2020 · Komi Republic |
| Kostin Ivan Vladimirovich b. 19.03.1986 · Nominated · LDPR | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Kostin Ivan Vladimirovich b. 19.03.1986 · Nominated · LDPR | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Kostin Ivan Mikhaylovich b. 29.06.1984 · Nominated · Rodina | Regional assembly, Nenets Autonomous Okrug, 2018 09.09.2018 · Nenets Autonomous Okrug |
| Kostin Ivan Mikhaylovich b. 29.06.1984 · Nominated · Rodina | Regional assembly, Arkhangelsk Oblast, 2018 09.09.2018 · Arkhangelsk Oblast |
