| Kostychakov Vladimir Fedorovich b. 10.05.1967 · Nominated · Communists of Russia | Regional assembly, Republic of Khakassia, 2023 10.09.2023 · Republic of Khakassia |
| Kostychev Vladimir Igorevich b. 06.06.1986 · Nominated · Rodina | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Kostychev Vladimir Igorevich b. 06.06.1986 · Nominated · Rodina | Regional assembly, Udmurt Republic, 2017 10.09.2017 · Udmurt Republic |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Zabaykalsky Krai, 2018 09.09.2018 · Zabaykalsky Krai |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Samara Oblast, 2016 18.09.2016 · Samara Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Vladimir Oblast, 2018 09.09.2018 · Vladimir Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Udmurt Republic, 2017 10.09.2017 · Udmurt Republic |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Arkhangelsk Oblast, 2018 09.09.2018 · Arkhangelsk Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Tula Oblast, 2019 08.09.2019 · Tula Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Yaroslavl Oblast, 2018 09.09.2018 · Yaroslavl Oblast |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Khabarovsk Krai, 2019 08.09.2019 · Khabarovsk Krai |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Moscow, 2019 08.09.2019 · Moscow |
| Kostycheva Marina Aleksandrovna b. 09.12.1989 · Nominated · Rodina | Regional assembly, Irkutsk Oblast, 2018 09.09.2018 · Irkutsk Oblast |
| Kostyugin Andrey Vyacheslavovich b. 17.04.1969 · Nominated · LDPR | Regional assembly, Leningrad Oblast, 2021 19.09.2021 · Leningrad Oblast |
| Kostyuk Aleksandr Nikolaevich b. 18.07.1993 · Nominated · Yabloko | Regional assembly, Pskov Oblast, 2021 19.09.2021 · Pskov Oblast |
| Kostyuk Alla Vladimirovna b. 12.11.1949 · Nominated · Party of Pensioners | Regional assembly, Tver Oblast, 2021 19.09.2021 · Tver Oblast |
| Kostyuk Valeriya Vladimirovna b. 1984 · Nominated · Communists of Russia | Regional assembly, Kirov Oblast, 2026 20.09.2026 · Kirov Oblast |
| Kostyuk Ekaterina Sergeevna b. 15.08.1983 · Nominated · The Greens | Regional assembly, Sverdlovsk Oblast, 2016 18.09.2016 · Sverdlovsk Oblast |
| Kostyuk Leonid Mikhaylovich b. 06.10.1977 · Nominated · New People | Regional assembly, Belgorod Oblast, 2020 13.09.2020 · Belgorod Oblast |
| Kostyuk Leonid Mikhaylovich b. 06.10.1977 · Nominated · New People | Regional assembly, Belgorod Oblast, 2020 13.09.2020 · Belgorod Oblast |
| Kostyuk Maksim Vasilevich b. 11.09.1976 · Nominated · United Russia | Regional assembly, Khanty-Mansi Autonomous Okrug, 2016 18.09.2016 · Khanty-Mansi Autonomous Okrug |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Orenburg Oblast, 2021 19.09.2021 · Orenburg Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Tver Oblast, 2021 19.09.2021 · Tver Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Oryol Oblast, 2021 19.09.2021 · Oryol Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Tyumen Oblast, 2021 19.09.2021 · Tyumen Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Kamchatka Krai, 2021 19.09.2021 · Kamchatka Krai |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Altai Krai, 2021 19.09.2021 · Altai Krai |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Amur Oblast, 2021 19.09.2021 · Amur Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Vologda Oblast, 2021 19.09.2021 · Vologda Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Kursk Oblast, 2021 19.09.2021 · Kursk Oblast |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Chuvash Republic, 2021 19.09.2021 · Chuvash Republic |
| Kostyuk Marianna Vladimirovna b. 10.08.2000 · Nominated · New People | Regional assembly, Penza Oblast, 2022 11.09.2022 · Penza Oblast |
| Kostyuk Mariya Fedorovna b. 1977 · Nominated · United Russia | Regional assembly, Jewish Autonomous Oblast, 2026 20.09.2026 · Jewish Autonomous Oblast |
| Kostyuk Nikolay Petrovich b. 28.06.1985 · Nominated · LDPR | Regional assembly, Perm Krai, 2016 18.09.2016 · Perm Krai |
| Kostyuk Yana Evgenevna b. 16.09.1990 · Nominated · LDPR | Regional assembly, Perm Krai, 2016 18.09.2016 · Perm Krai |
| Kostyukevich Vasiliy Anatolevich b. 28.04.1961 · Nominated · A Just Russia | Regional assembly, Kaliningrad Oblast, 2021 19.09.2021 · Kaliningrad Oblast |
| Kostyukevich Evgeniy Olegovich b. 09.01.1990 · Nominated · United Russia | Regional assembly, Perm Krai, 2021 19.09.2021 · Perm Krai |
| Kostyukov Aleksandr Aleksandrovich b. 09.06.1985 · Nominated · Rodina | Regional assembly, Bryansk Oblast, 2014 14.09.2014 · Bryansk Oblast |
| Kostyukov Aleksey Viktorovich b. 24.09.1967 · Nominated · United Russia | Regional assembly, Novgorod Oblast, 2016 18.09.2016 · Novgorod Oblast |
| Kostyukov Andrey Valerevich b. 04.11.1983 · Nominated · CPRF | Regional assembly, Belgorod Oblast, 2020 13.09.2020 · Belgorod Oblast |
| Kostyukov Andrey Valerevich b. 04.11.1983 · Nominated · CPRF | Regional assembly, Belgorod Oblast, 2015 13.09.2015 · Belgorod Oblast |
| Kostyukov Evgeniy Sergeevich b. 03.09.1982 · Nominated · United Russia | Regional assembly, Primorsky Krai, 2016 18.09.2016 · Primorsky Krai |
| Kostyukov Sergey Nikolaevich b. 23.07.1971 · Nominated · CPRF | Regional assembly, Nizhny Novgorod Oblast, 2021 19.09.2021 · Nizhny Novgorod Oblast |
| Kostyukova Lyudmila Iosifovna b. 17.06.1967 · Nominated · LDPR | Regional assembly, Rostov Oblast, 2013 08.09.2013 · Rostov Oblast |
| Kostyukova Olga Sergeevna b. 31.08.2000 · Nominated · CPRF | Regional assembly, Nizhny Novgorod Oblast, 2021 19.09.2021 · Nizhny Novgorod Oblast |
| Kostyukova Svetlana Nikolaevna b. 24.05.1968 · Nominated · United Russia | Regional assembly, Smolensk Oblast, 2013 08.09.2013 · Smolensk Oblast |
| Kostyunin Anatoliy Aleksandrovich b. 15.05.1987 · Nominated · A Just Russia | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
| Kostyunin Anatoliy Aleksandrovich b. 15.05.1987 · Nominated · A Just Russia | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
