| Kasperovich Anna Aleksandrovna b. 18.10.1979 · Registered · Politicheskaya partiya "Soyuz Gorozhan" | Regional assembly, Sakhalin Oblast, 2012 14.10.2012 · Sakhalin Oblast |
| Kasperskikh Petr Mikhaylovich b. 28.08.1966 · Registered · A Just Russia | Regional assembly, Komi Republic, 2007 11.03.2007 · Komi Republic |
| Kassin Aleksandr Sergeevich b. 1983 · Registered · LDPR | Regional assembly, Kaluga Oblast, 2025 14.09.2025 · Kaluga Oblast |
| Kassin Oleg Valerevich b. 29.08.1976 · Registered · Party of Growth | State Duma, 2016 18.09.2016 · Russian Federation |
| Kassirov Igor Olegovich b. 1990 · Registered · The Greens | Regional assembly, Novosibirsk Oblast, 2025 14.09.2025 · Novosibirsk Oblast |
| Kassirov Igor Olegovich b. 1990 · Registered · The Greens | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Kastoev Vakha Alikhanovich b. 1981 · Registered · United Russia | Regional assembly, Republic of Ingushetia, 2026 20.09.2026 · Republic of Ingushetia |
| Kastoev Ruslan Izrailovich b. 1972 · Registered · United Russia | Regional assembly, Magadan Oblast, 2025 14.09.2025 · Magadan Oblast |
| Kastoeva Khedi Magometovna b. 1997 · Registered · CPRF | Regional assembly, Republic of Ingushetia, 2026 20.09.2026 · Republic of Ingushetia |
| Kastorskiy Sergey Mikhaylovich b. 20.02.1948 · Registered · LDPR | Regional assembly, Saint Petersburg, 2007 11.03.2007 · Saint Petersburg |
| Kasumov Dzhamal Guseynovich b. 07.06.1984 · Registered · Samovydvizhenie | State Duma, 2016 18.09.2016 · Russian Federation |
| Kasumov Idris Sabir-Ogly b. 23.06.1966 · Registered · Party of Pensioners | Regional assembly, Republic of Adygea, 2006 12.03.2006 · Republic of Adygea |
| Kasumov Tadzhiddin Islam Ogly b. 05.05.1941 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2001 03.06.2001 · Mari El Republic |
| Kasumov Tadzhiddin Islam Ogly b. 05.05.1941 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2000 08.10.2000 · Mari El Republic |
| Kasumov Shakhban Yuzbashievich b. 05.05.1958 · Registered · United Russia | Regional assembly, Republic of Dagestan, 2011 13.03.2011 · Republic of Dagestan |
| Kasumova Tatyana Grantovna b. 17.12.1966 · Registered · Party of Pensioners | Regional assembly, Republic of Adygea, 2006 12.03.2006 · Republic of Adygea |
| Kasymov Sayputdin Kasymovich b. 08.03.1965 · Registered · LDPR | Regional assembly, Republic of Dagestan, 2011 13.03.2011 · Republic of Dagestan |
| Kasmin Dmitriy Romanovich b. 21.01.1985 · Registered · Rodina | State Duma, 2016 18.09.2016 · Russian Federation |
| Kasyan Sergey Olegovich b. 1990 · Registered · CPRF | Regional assembly, Belgorod Oblast, 2025 14.09.2025 · Belgorod Oblast |
| Kasyan Sergey Sergeevich b. 28.03.1978 · Registered · Voters’ group | Regional assembly, Moscow, 2005 04.12.2005 · Moscow |
| Kasyan Yuriy Vladimirovich b. 01.01.1970 · Registered · United Russia | Early · Regional assembly, Amur Oblast, 2008 02.03.2008 · Amur Oblast |
| Kasyanenko Aleksandr Aleksandrovich b. 1989 · Registered · Communists of Russia | Head, Komi Republic, 2025 14.09.2025 · Komi Republic |
| Kasyanenko Aleksandr Aleksandrovich b. 1989 · Registered · Communists of Russia | Regional assembly, Komi Republic, 2025 14.09.2025 · Komi Republic |
| Kasyanenko Georgiy Aleksandrovich b. 08.06.1968 · Registered · Self-nomination | Regional assembly, Khanty-Mansi Autonomous Okrug, 2006 12.03.2006 · Khanty-Mansi Autonomous Okrug |
| Kasyanenko Oksana Sergeevna b. 20.05.1986 · Registered · Right Cause | Regional assembly, Sakhalin Oblast, 2012 14.10.2012 · Sakhalin Oblast |
| Kasyanov Aleksandr Stepanovich b. 10.03.1954 · Registered · Arkhangelskoe oblastnoe otdelenie "Kommunisticheskoy partii Rossiyskoy Federatsii" | Regional assembly, Arkhangelsk Oblast, 2009 01.03.2009 · Arkhangelsk Oblast |
| Kasyanov Anatoliy Nikolaevich b. 20.07.1958 · Registered · Patriots of Russia | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Kasyanov Vitaliy Vladimirovich b. 05.09.1950 · Registered · Self-nomination | Regional assembly, Yaroslavl Oblast, 2004 14.03.2004 · Yaroslavl Oblast |
| Kasyanov Vladimir Sergeevich b. 28.09.1946 · Registered · Self-nomination | Regional assembly, Republic of Bashkortostan, 2003 16.03.2003 · Republic of Bashkortostan |
| Kasyanov Gennadiy Petrovich b. 11.08.1949 · Registered · United Russia | Regional assembly, Arkhangelsk Oblast, 2004 19.12.2004 · Arkhangelsk Oblast |
| Kasyanov Dmitriy Igorevich b. 1992 · Registered · New People | Regional assembly, Chelyabinsk Oblast, 2025 14.09.2025 · Chelyabinsk Oblast |
| Kasyanov Dmitriy Igorevich b. 1992 · Registered · New People | Regional assembly, Kurgan Oblast, 2025 14.09.2025 · Kurgan Oblast |
| Kasyanov Oleg Nikolaevich b. 10.06.1963 · Registered · CPRF | Regional assembly, Astrakhan Oblast, 2011 04.12.2011 · Astrakhan Oblast |
| Kasyanov Sergey Sergeevich b. 06.02.1984 · Registered · LDPR | Regional assembly, Kirov Oblast, 2011 13.03.2011 · Kirov Oblast |
| Kasyanov Sergey Sergeevich b. 06.02.1984 · Registered · LDPR | Regional assembly, Kirov Oblast, 2011 13.03.2011 · Kirov Oblast |
| Kasyanov Sergey Filippovich b. 30.08.1952 · Registered · LDPR | Early · Regional assembly, Ivanovo Oblast, 2008 02.03.2008 · Ivanovo Oblast |
| Kasyanov Sergey Filippovich b. 30.08.1952 · Registered · LDPR | Early · Regional assembly, Ivanovo Oblast, 2008 02.03.2008 · Ivanovo Oblast |
| Kasyanov Yuriy Leonidovich b. 26.03.1949 · Registered · Self-nomination | Regional assembly, Republic of Buryatia, 2002 23.06.2002 · Republic of Buryatia |
| Kasyukov Musa Nigmatovich b. 1955 · Registered · CPRF | By-election · Regional assembly, Republic of Tatarstan, 2026 20.09.2026 · Republic of Tatarstan |
| Kataev Aleksandr Anatolevich b. 17.02.1970 · Registered · Voters’ group | Regional assembly, Primorsky Krai, 2006 08.10.2006 · Primorsky Krai |
| Kataev Bata Sandzharikovich b. 02.05.1957 · Registered · Kalmytskoe regionalnoe otdelenie Politicheskoy partii "Agrarnaya partiya Rossii" | Regional assembly, Republic of Kalmykia, 2008 02.03.2008 · Republic of Kalmykia |
| Kataev Viktor Filippovich b. 07.05.1989 · Registered · RPSS | State Duma, 2021 19.09.2021 · Russian Federation |
| Kataev Vladimir Dmitrievich b. 01.04.1948 · Registered · IRKUTSKOE OBLASTNOE OTDELENIE POLITICHESKOY PARTII "AGRARNAYa PARTIYa ROSSII" | Regional assembly, Irkutsk Oblast, 2008 12.10.2008 · Irkutsk Oblast |
| Kataev Vladimir Evgenevich b. 12.05.1963 · Registered · Politicheskaya partiya «Demokraticheskaya partiya Rossii» | State Duma, 2007 02.12.2007 · Russian Federation |
| Kataev Georgiy Soltanovich b. 31.05.1974 · Registered · Self-nomination | Regional assembly, Republic of North Ossetia–Alania, 2003 11.05.2003 · Republic of North Ossetia–Alania |
| Kataev Dmitriy Ivanovich b. 23.02.1937 · Registered · Politicheskaya partiya «SOYUZ PRAVYKh SIL» | State Duma, 2007 02.12.2007 · Russian Federation |
| Kataev Dmitriy Ivanovich b. 23.02.1937 · Registered · Yabloko | Regional assembly, Moscow, 2005 04.12.2005 · Moscow |
| Kataev Dmitriy Ivanovich b. 23.02.1937 · Registered · Yabloko | Regional assembly, Moscow, 2009 11.10.2009 · Moscow |
| Kataev Dmitriy Ivanovich b. 23.02.1937 · Registered · Yabloko | Regional assembly, Moscow, 2005 04.12.2005 · Moscow |
| Kataev Igor Alekseevich b. 1966 · Registered · Communists of Russia | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
