| Koskov Aleksey Andreevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosmachev Oleg Mikhaylovich b. 24.03.1971 · Registered · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosmynina Ekaterina Viktorovna b. 15.11.1986 · Nominated · Voters’ group | Regional assembly, Kaluga Oblast, 2015 13.09.2015 · Kaluga Oblast |
| Kosov Ivan Gennadevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosolapov Aleksandr Aleksandrovich b. 14.11.1978 · Nominated · Voters’ group | Regional assembly, Novosibirsk Oblast, 2020 13.09.2020 · Novosibirsk Oblast |
| Kosolapov Georgiy Vitalevich b. 06.08.1948 · Nominated · Voters’ group | Regional assembly, Arkhangelsk Oblast, 2000 18.06.2000 · Arkhangelsk Oblast |
| Kosolapova Alena Aleksandrovna b. 04.07.2000 · Nominated · Voters’ group | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
| Kosolapova Galina Nikolaevna b. 20.11.1948 · Registered · Voters’ group | Regional assembly, Kirov Oblast, 2006 12.03.2006 · Kirov Oblast |
| Kosolapova Galina Nikolaevna b. 07.07.1976 · Nominated · Voters’ group | Regional assembly, Novosibirsk Oblast, 2015 13.09.2015 · Novosibirsk Oblast |
| Kosorukikh Oleg Nikolaevich b. 14.08.1963 · Voters’ group | Regional assembly, Lipetsk Oblast, 2002 14.04.2002 · Lipetsk Oblast |
| Kosorukikh Oleg Nikolaevich b. 14.08.1963 · Registered · Voters’ group | Regional assembly, Lipetsk Oblast, 2002 14.04.2002 · Lipetsk Oblast |
| Kosorukov Vladimir Ivanovich b. 17.04.1980 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Kostareva Olga Petrovna b. 06.05.1982 · Nominated · Voters’ group | Regional assembly, Perm Krai, 2016 18.09.2016 · Perm Krai |
| Kostenko Aleksandr Yakovlevich b. 16.02.1958 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Kostenko Valeriy Nikolaevich b. 05.11.1970 · Registered · Voters’ group | Regional assembly, Republic of Adygea, 2001 04.03.2001 · Republic of Adygea |
| Kostenko Vladimir Stepanovich b. 14.09.1958 · Nominated · Voters’ group | Regional assembly, Zabaykalsky Krai, 2013 08.09.2013 · Zabaykalsky Krai |
| Kostenko Olga Petrovna b. 03.09.1960 · Registered · Voters’ group | Regional assembly, Tver Oblast, 2005 18.12.2005 · Tver Oblast |
| Kostenko Pavel Pavlovich b. 16.11.1988 · Nominated · Voters’ group | Regional assembly, Rostov Oblast, 2018 09.09.2018 · Rostov Oblast |
| Kostenko Yuriy Petrovich b. 10.04.1964 · Nominated · Voters’ group | Regional assembly, Zabaykalsky Krai, 2013 08.09.2013 · Zabaykalsky Krai |
| Kostenkova Galina Ivanovna year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostenyuk Aleksandr Grigorevich b. 18.12.1935 · Registered · Voters’ group | Regional assembly, Orenburg Oblast, 2006 12.03.2006 · Orenburg Oblast |
| Kostenyuk Aleksandr Grigorevich b. 18.12.1935 · Registered · Voters’ group | Regional assembly, Orenburg Oblast, 2006 12.03.2006 · Orenburg Oblast |
| Kosterin Valeriy Dmitrievich b. 09.10.1950 · Registered · Voters’ group | Regional assembly, Altai Republic, 2006 12.03.2006 · Altai Republic |
| Kosterin Nikolay Nikolaevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterin Nikolay Nikolaevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kosterina Svetlana Anatolevna b. 14.03.1974 · Nominated · Voters’ group | Regional assembly, Karachay-Cherkess Republic, 2014 14.09.2014 · Karachay-Cherkess Republic |
| Kostikov Aleksandr Ilich b. 11.11.1955 · Registered · Voters’ group | Regional assembly, Tula Oblast, 2004 03.10.2004 · Tula Oblast |
| Kostin Aleksandr Gennadevich b. 24.03.1971 · утративший статус выдв. кандидата · Voters’ group | Regional assembly, Samara Oblast, 2007 11.03.2007 · Samara Oblast |
| Kostin Aleksandr Ivanovich b. 23.06.1955 · Registered · Voters’ group | Regional assembly, Kursk Oblast, 2006 12.03.2006 · Kursk Oblast |
| Kostin Aleksandr Ivanovich b. 23.06.1955 · Registered · Voters’ group | Regional assembly, Kursk Oblast, 2006 12.03.2006 · Kursk Oblast |
| Kostin Aleksey Vladimirovich b. 28.10.1973 · Nominated · Voters’ group | Regional assembly, Voronezh Oblast, 2015 13.09.2015 · Voronezh Oblast |
| Kostin Aleksey Vladimirovich b. 28.10.1973 · Nominated · Voters’ group | Regional assembly, Republic of Bashkortostan, 2018 09.09.2018 · Republic of Bashkortostan |
| Kostin Aleksey Vladimirovich b. 28.10.1973 · Nominated · Voters’ group | Regional assembly, Voronezh Oblast, 2015 13.09.2015 · Voronezh Oblast |
| Kostin Rafik Aysaevich b. 31.05.1959 · Registered · Voters’ group | Regional assembly, Astrakhan Oblast, 2001 28.10.2001 · Astrakhan Oblast |
| Kostin Yuriy Nikolaevich year of birth not listed · Voters’ group | Regional assembly, Moscow Oblast, 2001 16.12.2001 · Moscow Oblast |
| Kostina Valentina Dmitrievna b. 29.03.1958 · Registered · Voters’ group | Regional assembly, Saint Petersburg, 2002 08.12.2002 · Saint Petersburg |
| Kostina Zhanna Vadimovna b. 21.09.1990 · Nominated · Voters’ group | Regional assembly, Irkutsk Oblast, 2018 09.09.2018 · Irkutsk Oblast |
| Kostogryz Igor Viktorovich b. 01.07.1965 · Nominated · Voters’ group | Regional assembly, Khanty-Mansi Autonomous Okrug, 2016 18.09.2016 · Khanty-Mansi Autonomous Okrug |
| Kostoev Bagaudin Akhmetovich b. 14.08.1968 · Registered · Voters’ group | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Kostoev Issa Magometovich year of birth not listed · Voters’ group | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Kostomarov Vladimir Borisovich b. 26.01.1954 · Registered · Voters’ group | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Kostrova Ekaterina Mikhaylovna b. 15.10.1990 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Kostrova Rimma Zhalilevna b. 20.12.1983 · Nominated · Voters’ group | Regional assembly, Republic of Bashkortostan, 2013 08.09.2013 · Republic of Bashkortostan |
| Kostrova Tatyana Vladimirovna b. 26.06.1983 · Nominated · Voters’ group | Regional assembly, Vladimir Oblast, 2013 08.09.2013 · Vladimir Oblast |
| Kostromin Sergey Vladimirovich b. 18.04.1963 · Registered · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostromin Sergey Vladimirovich b. 18.04.1963 · Registered · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Kostryukov Sergey Nikolaevich b. 18.09.1969 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2005 20.03.2005 · Ryazan Oblast |
| Kostryukova Elena Andreevna b. 15.08.1993 · Nominated · Voters’ group | Regional assembly, Magadan Oblast, 2020 13.09.2020 · Magadan Oblast |
| Kostryukova Elena Andreevna b. 15.08.1993 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Kostygova Raisa Mikhaylovna year of birth not listed · Voters’ group | Regional assembly, Ryazan Oblast, 2001 25.03.2001 · Ryazan Oblast |