| Kostritsa Vasiliy Maksimovich b. 18.05.1964 · Registered · A Just Russia | Regional assembly, Leningrad Oblast, 2007 11.03.2007 · Leningrad Oblast |
| Kostritsa Leonid Efimovich b. 26.01.1939 · Elected deputy · United Russia | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Kostritsina Ekaterina Sergeevna b. 24.04.1986 · Nominated · LDPR | Regional assembly, Novgorod Oblast, 2021 19.09.2021 · Novgorod Oblast |
| Kostritskiy Anatoliy Vladimirovich b. 28.08.1955 · Registered · United Russia | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Kostrov Aleksandr Anatolevich b. 28.08.1986 · кандидат с отказом в регистрации · Patriots of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Kostrov Aleksandr Valerevich b. 03.04.1988 · Nominated · Communists of Russia | Regional assembly, Rostov Oblast, 2013 08.09.2013 · Rostov Oblast |
| Kostrov Aleksandr Nikolaevich b. 11.10.1962 · Registered · United Russia | Regional assembly, Ryazan Oblast, 2005 20.03.2005 · Ryazan 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 Vladimir Vasilevich b. 19.02.1936 · Registered · CPRF | Regional assembly, Ivanovo Oblast, 2005 04.12.2005 · Ivanovo 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 |
| Kostrova Tatyana Viktorovna b. 1990 · Registered · New People | Regional assembly, Kurgan Oblast, 2025 14.09.2025 · Kurgan Oblast |
| 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 |
| Kostromitinova Elvira Valerevna b. 27.06.1980 · Registered · Patriots of Russia | Regional assembly, Kursk Oblast, 2006 12.03.2006 · Kursk 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 |
| Kostrykin Aleksey Mikhaylovich b. 08.08.1946 · Registered · Patriots of Russia | Regional assembly, Murmansk Oblast, 2007 11.03.2007 · Murmansk Oblast |
| Kostrykin Georgiy Mikhaylovich b. 18.06.1947 · Registered · A Just Russia | Regional assembly, Krasnoyarsk Krai, 2007 15.04.2007 · Krasnoyarsk Krai |
| Kostryshov Vladimir Yurevich b. 13.03.1986 · Nominated · A Just Russia | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Kostryukov Viktor Ivanovich b. 04.08.1953 · Registered · United Russia | Regional assembly, Novgorod Oblast, 2006 08.10.2006 · Novgorod 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 |
| Kostygina Natalya Vladimirovna b. 09.08.1967 · Withdrawn · Rodina | Regional assembly, Magadan Oblast, 2005 22.05.2005 · Magadan Oblast |
| 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 Vyacheslav Alekseevich b. 2002 · Registered · Rodina | Regional assembly, Voronezh Oblast, 2025 14.09.2025 · Voronezh Oblast |
| Kostylev Vyacheslav Alekseevich b. 2002 · Registered · Rodina | Regional assembly, Voronezh Oblast, 2025 14.09.2025 · Voronezh Oblast |
| Kostylev Lev Nikolaevich b. 23.08.1951 · Registered · Rodina | State Duma, 2003 07.12.2003 · Russian Federation |
