| Kosvintsev Dmitriy Yurevich b. 28.09.1948 · Registered · Self-nomination | Regional assembly, Jewish Autonomous Oblast, 2006 08.10.2006 · Jewish Autonomous Oblast |
| Kosenko Viktor Grigorevich b. 04.07.1945 · Elected deputy · Self-nomination | Regional assembly, Krasnodar Krai, 2003 07.12.2003 · Krasnodar Krai |
| Kosenko Nelya Ivanovna b. 19.01.1965 · Nominated · Self-nomination | Regional assembly, Altai Republic, 2019 08.09.2019 · Altai Republic |
| Kosenko Yuriy Vladimirovich year of birth not listed · Self-nomination | State Duma, 2001 16.12.2001 · Russian Federation |
| Kosenkov Boris Andreevich year of birth not listed · Self-nomination | Regional assembly, Kaliningrad Oblast, 2000 05.11.2000 · Kaliningrad Oblast |
| Kosenkov Gennadiy Ivanovich year of birth not listed · Self-nomination | Regional assembly, Smolensk Oblast, 2002 22.12.2002 · Smolensk Oblast |
| Kosenkov Gennadiy Ivanovich year of birth not listed · Self-nomination | Regional assembly, Smolensk Oblast, 2002 22.12.2002 · Smolensk Oblast |
| Kosik Denis Aleksandrovich year of birth not listed · Self-nomination | Regional assembly, Kaluga Oblast, 2000 12.11.2000 · Kaluga Oblast |
| Kosik Pavel Mikhaylovich b. 09.07.1968 · утративший статус выдв. кандидата · Self-nomination | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Kosikov Aleksandr Sergeevich year of birth not listed · Self-nomination | Regional assembly, Chelyabinsk Oblast, 2000 24.12.2000 · Chelyabinsk Oblast |
| Kosilov Kirill Vladimirovich b. 07.07.1965 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2006 08.10.2006 · Primorsky Krai |
| Kosilov Kirill Vladimirovich b. 07.07.1965 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2001 09.12.2001 · Primorsky Krai |
| Kosinov Oleg Sergeevich b. 07.09.1995 · Nominated · Self-nomination | Regional assembly, Kursk Oblast, 2021 19.09.2021 · Kursk Oblast |
| Kosikhin Maksim Anatolevich year of birth not listed · Self-nomination | Regional assembly, Magadan Oblast, 2001 20.05.2001 · Magadan Oblast |
| Kosikhin Yuriy Mikhaylovich year of birth not listed · Self-nomination | Regional assembly, Tver Oblast, 2000 29.10.2000 · Tver Oblast |
| Kosov Aleksandr Yurevich year of birth not listed · Self-nomination | Regional assembly, Republic of Mordovia, 2003 07.12.2003 · Republic of Mordovia |
| Kosov Vladimir Alekseevich b. 03.08.1946 · Elected deputy · Self-nomination | Regional assembly, Komi Republic, 2003 02.03.2003 · Komi Republic |
| Kosovskikh Aleksandr Albertovich b. 11.05.1960 · Elected deputy · Self-nomination | Regional assembly, Nizhny Novgorod Oblast, 2002 31.03.2002 · Nizhny Novgorod Oblast |
| Kosovskikh Aleksandr Albertovich b. 11.05.1960 · утративший статус выдв. кандидата · Self-nomination | Regional assembly, Nizhny Novgorod Oblast, 2006 12.03.2006 · Nizhny Novgorod Oblast |
| Kosovskikh Aleksey Evgenevich b. 11.08.1992 · Nominated · Self-nomination | Regional assembly, Nizhny Novgorod Oblast, 2016 18.09.2016 · Nizhny Novgorod Oblast |
| Kosolapov Aleksandr Aleksandrovich year of birth not listed · Self-nomination | Regional assembly, Stavropol Krai, 2001 16.12.2001 · Stavropol Krai |
| Kosolapov Aleksey Vladislavovich b. 28.10.1958 · Registered · Self-nomination | Regional assembly, Republic of Bashkortostan, 2000 24.09.2000 · Republic of Bashkortostan |
| Kosolapov Vladimir Mikhaylovich year of birth not listed · Self-nomination | Regional assembly, Kirov Oblast, 2001 25.03.2001 · Kirov Oblast |
| Kosolapov Oleg Veniaminovich b. 15.07.1958 · Registered · Self-nomination | Regional assembly, Orenburg Oblast, 2002 30.06.2002 · Orenburg Oblast |
| Kosolapov Oleg Veniaminovich b. 15.07.1958 · Registered · Self-nomination | Regional assembly, Orenburg Oblast, 2002 24.03.2002 · Orenburg Oblast |
| Kosorukov Aleksey Vladimirovich year of birth not listed · Self-nomination | Regional assembly, Ulyanovsk Oblast, 2000 18.06.2000 · Ulyanovsk Oblast |
| Kosteva Lyudmila Yurevna b. 27.07.1952 · Registered · Self-nomination | Regional assembly, Yaroslavl Oblast, 2000 26.03.2000 · Yaroslavl Oblast |
| Kosteev Sergey Vladimirovich year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostenko Aleksandr Alekseevich b. 14.03.1953 · Nominated · Self-nomination | By-election · Regional assembly, Novosibirsk Oblast, 2013 08.09.2013 · Novosibirsk Oblast |
| Kostenko Aleksandr Ivanovich b. 17.02.1981 · Nominated · Self-nomination | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Kostenko Yuriy Vasilevich b. 17.09.1954 · Registered · Self-nomination | Regional assembly, Rostov Oblast, 2003 30.03.2003 · Rostov Oblast |
| Kostenkova Galina Ivanovna year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostenyuk Aleksandr Grigorevich b. 18.12.1935 · Elected deputy · Self-nomination | Regional assembly, Orenburg Oblast, 2002 24.03.2002 · Orenburg Oblast |
| Kostereva Svetlana Semenovna year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterin Aleksandr Petrovich b. 30.09.1967 · Registered · Self-nomination | Regional assembly, Rostov Oblast, 2003 30.03.2003 · Rostov Oblast |
| Kosterova Lyudmila Ivanovna year of birth not listed · Self-nomination | Regional assembly, Tuva Republic, 2003 28.09.2003 · Tuva Republic |
| Kosterova Lyudmila Ivanovna year of birth not listed · Self-nomination | Repeat · Regional assembly, Tuva Republic, 2003 28.09.2003 · Tuva Republic |
| Kostikov Aleksandr Alekseevich year of birth not listed · Self-nomination | Regional assembly, Tula Oblast, 2000 01.10.2000 · Tula Oblast |
| Kostikov Konstantin Nikolaevich year of birth not listed · Self-nomination | Regional assembly, Tula Oblast, 2000 01.10.2000 · Tula Oblast |
| Kostikova Elena Vitalevna b. 10.03.1971 · Registered · Self-nomination | Regional assembly, Oryol Oblast, 2007 11.03.2007 · Oryol Oblast |
| Kostin Aleksandr Nikolaevich year of birth not listed · Self-nomination | Regional assembly, Bryansk Oblast, 2000 10.12.2000 · Bryansk Oblast |
| Kostin Aleksey Nikolaevich b. 18.09.1970 · Nominated · Self-nomination | Regional assembly, Arkhangelsk Oblast, 2013 08.09.2013 · Arkhangelsk Oblast |
| Kostin Anatoliy Arkadevich b. 20.08.1947 · Elected deputy · Self-nomination | Regional assembly, Arkhangelsk Oblast, 2000 03.12.2000 · Arkhangelsk Oblast |
| Kostin Valeriy Anatolevich year of birth not listed · Self-nomination | Regional assembly, Ryazan Oblast, 2001 25.03.2001 · Ryazan Oblast |
| Kostin Igor Yurevich b. 07.06.1967 · кандидат с отказом в регистрации · Self-nomination | Regional assembly, Komi Republic, 2003 02.03.2003 · Komi Republic |
| Kostin Konstantin Anatolevich b. 06.07.1973 · Registered · Self-nomination | Regional assembly, Kemerovo Oblast – Kuzbass, 2003 20.04.2003 · Kemerovo Oblast – Kuzbass |
| Kostin Pavel Gennadevich year of birth not listed · Self-nomination | Regional assembly, Kostroma Oblast, 2000 10.12.2000 · Kostroma Oblast |
| Kostoev Beslan Usmanovich b. 28.08.1938 · Registered · Self-nomination | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Kostoev Khadzhimurat Abukarovich b. 10.02.1947 · Registered · Self-nomination | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Kostokov Beslan Zaurbievich b. 08.10.1958 · Elected deputy · Self-nomination | Regional assembly, Republic of Adygea, 2001 04.03.2001 · Republic of Adygea |