| 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, Kamchatka Krai, 2021 19.09.2021 · Kamchatka Krai |
| 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, 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 Mariya Fedorovna b. 1977 · Nominated · United Russia | Regional assembly, Jewish Autonomous Oblast, 2026 20.09.2026 · Jewish Autonomous Oblast |
| Kostyuk Mariya Fedorovna b. 1977 · Elected · United Russia | Governor, Jewish Autonomous Oblast, 2025 14.09.2025 · Jewish Autonomous Oblast |
| Kostyuk Nikolay Petrovich b. 28.06.1985 · Nominated · LDPR | Regional assembly, Perm Krai, 2016 18.09.2016 · Perm Krai |
| Kostyuk Tatyana Vladimirovna b. 07.09.1957 · Registered · LDPR | Regional assembly, Amur Oblast, 2005 27.03.2005 · Amur Oblast |
| 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 Aleksey Viktorovich b. 24.09.1967 · Registered · United Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod Oblast |
| Kostyukov Aleksey Viktorovich b. 24.09.1967 · Registered · United Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod Oblast |
| Kostyukov Andrey Valerevich b. 1983 · Registered · CPRF | Regional assembly, Belgorod Oblast, 2025 14.09.2025 · Belgorod Oblast |
| Kostyukov Andrey Valerevich b. 04.11.1983 · Nominated · CPRF | Regional assembly, Belgorod Oblast, 2015 13.09.2015 · Belgorod Oblast |
| Kostyukov Andrey Valerevich b. 04.11.1983 · Nominated · CPRF | Regional assembly, Belgorod Oblast, 2020 13.09.2020 · 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 |
| Kostyukov Yuriy Valerevich b. 1992 · Registered · CPRF | Regional assembly, Belgorod Oblast, 2025 14.09.2025 · Belgorod 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 |
| Kostyukova Tatyana Anatolevna year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostyukova Tatyana Anatolevna year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| 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 |
| Kostyunin Anatoliy Aleksandrovich b. 15.05.1987 · Nominated · United Russia | Regional assembly, Moscow Oblast, 2021 19.09.2021 · Moscow Oblast |
| Kostyunin Andrey Petrovich b. 19.10.1967 · Nominated · A Just Russia | Regional assembly, Ulyanovsk Oblast, 2023 10.09.2023 · Ulyanovsk Oblast |
| Kostyunin Nikolay Pavlovich b. 24.07.1949 · Nominated · Rodina | Regional assembly, Novosibirsk Oblast, 2015 13.09.2015 · Novosibirsk Oblast |
| Kostyunina Lyubov Petrovna b. 13.04.1954 · Nominated · Party for Justice | Regional assembly, Penza Oblast, 2017 10.09.2017 · Penza Oblast |
| Kostyukhin Aleksey Aleksandrovich b. 11.04.1982 · Nominated · United Russia | Regional assembly, Novgorod Oblast, 2016 18.09.2016 · Novgorod Oblast |
| Kostyukhina Lyudmila Ivanovna b. 28.10.1954 · Registered · United Russia | Regional assembly, Lipetsk Oblast, 2006 08.10.2006 · Lipetsk Oblast |
| Kostyukhina Marina Mikhaylovna b. 09.09.1963 · Nominated · A Just Russia | Regional assembly, Novgorod Oblast, 2021 19.09.2021 · Novgorod Oblast |
| Kostyukhina Marina Mikhaylovna b. 09.09.1963 · Registered · Patriots of Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod Oblast |
| Kostyukhina Marina Mikhaylovna b. 09.09.1963 · Registered · Patriots of Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod Oblast |
| Kostyukhina Marina Mikhaylovna b. 09.09.1963 · Nominated · A Just Russia | Regional assembly, Novgorod Oblast, 2021 19.09.2021 · Novgorod Oblast |
| Kostyuchenko Vladimir Vladimirovich b. 21.07.1988 · Nominated · LDPR | Regional assembly, Oryol Oblast, 2021 19.09.2021 · Oryol Oblast |
| Kostyuchenko Denis Olegovich b. 24.02.1985 · Nominated · A Just Russia | Regional assembly, Penza Oblast, 2022 11.09.2022 · Penza Oblast |
| Kostyuchenko Denis Olegovich b. 24.02.1985 · Nominated · A Just Russia | Regional assembly, Penza Oblast, 2022 11.09.2022 · Penza Oblast |
| Kostyuchenko Evgeniy Nikolaevich b. 20.05.1983 · Nominated · A Just Russia | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
| Kostyuchenko Sergey Nikolaevich b. 16.06.1970 · Nominated · A Just Russia | Regional assembly, Republic of Crimea, 2014 14.09.2014 · Republic of Crimea |
| Kostyuchenkov Sergey Vladimirovich b. 08.10.1980 · Nominated · Yabloko | Regional assembly, Tula Oblast, 2014 14.09.2014 · Tula Oblast |
| Kostyuchenkov Sergey Vladimirovich b. 08.10.1980 · Nominated · Yabloko | Regional assembly, Tula Oblast, 2014 14.09.2014 · Tula Oblast |
| Kostyush Vladimir Fedorovich b. 01.04.1958 · Nominated · United Russia | Regional assembly, Republic of Khakassia, 2013 08.09.2013 · Republic of Khakassia |
| Kostyushov Vasiliy Evgenevich b. 05.05.1990 · Nominated · LDPR | Regional assembly, Saint Petersburg, 2021 19.09.2021 · Saint Petersburg |
| Kostyaev Viktor Anatolevich b. 21.10.1977 · Nominated · Rodina | Regional assembly, Republic of Crimea, 2019 08.09.2019 · Republic of Crimea |
| Kostyaeva Yuliya Dmitrievna b. 11.01.1998 · Nominated · New People | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
