| Sechkin Aleksandr Anatolevich b. 25.05.1960 · Withdrawn · Rodina | Regional assembly, Magadan Oblast, 2005 22.05.2005 · Magadan Oblast |
| Sechkina Larisa Vladimirovna b. 27.12.1961 · кандидат с отказом в регистрации · Patriots of Russia | Regional assembly, Krasnoyarsk Krai, 2007 15.04.2007 · Krasnoyarsk Krai |
| Sechko Vasiliy Stepanovich b. 11.01.1951 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sibgatullin Ildus Khayrushevich year of birth not listed · Patriots of Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Sivirkin Dmitriy Vadimovich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Sigaeva Anna Viktorovna b. 1991 · Withdrawn · LDPR | Regional assembly, Yamalo-Nenets Autonomous Okrug, 2025 14.09.2025 · Yamalo-Nenets Autonomous Okrug |
| Sigutkin Aleksey Alekseevich b. 12.09.1949 · кандидат с отказом от мандата · United Russia | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sigutkin Aleksey Alekseevich b. 12.09.1949 · зарег. по проп. и маж. системам · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidak Taras Anatolevich year of birth not listed · Yabloko | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidelev Petr Alekseevich year of birth not listed · The Greens | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidorenko Aleksandr Viktorovich b. 25.06.1979 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sidorenko Aleksandr Vyacheslavovich b. 19.01.1991 · кандидат с отказом в регистрации · Patriots of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Sidorina Marina Anatolevna b. 13.04.1966 · Withdrawn · LDPR | Regional assembly, Kaluga Oblast, 2004 14.11.2004 · Kaluga Oblast |
| Sidorkevich Andrey Iosifovich b. 22.07.1962 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sidorkin Vasiliy Nesterovich b. 07.10.1959 · кандидат с отказом в регистрации · A Just Russia | Regional assembly, Krasnoyarsk Krai, 2007 15.04.2007 · Krasnoyarsk Krai |
| Sidorkin Leonid Arkadevich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidorov Aleksandr Vyacheslavovich b. 18.03.1982 · Withdrawn · LDPR | Regional assembly, Republic of Tatarstan, 2004 14.03.2004 · Republic of Tatarstan |
| Sidorov Vladimir Karpovich b. 15.03.1949 · зарег. по проп. и маж. системам · United Russia | Regional assembly, Ryazan Oblast, 2005 20.03.2005 · Ryazan Oblast |
| Sidorov Nikolay Vladimirovich year of birth not listed · Yabloko | Regional assembly, Ulyanovsk Oblast, 2003 07.12.2003 · Ulyanovsk Oblast |
| Sidorov Nikolay Vladimirovich year of birth not listed · Yabloko | Regional assembly, Ulyanovsk Oblast, 2003 07.12.2003 · Ulyanovsk Oblast |
| Sidorov Yaroslav Severovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidorov Yaroslav Severovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidorov Yaroslav Severovich b. 29.09.1968 · кандидат с отказом в регистрации · Communists of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Sidorovich Georgiy Aleksandrovich b. 01.11.1952 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Leningrad Oblast, 2007 11.03.2007 · Leningrad Oblast |
| Sidorchenko Ekaterina Yurevna b. 30.11.1968 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Saint Petersburg, 2007 11.03.2007 · Saint Petersburg |
| Sizikov Aleksandr Anatolevich year of birth not listed · Rodina | State Duma, 2003 07.12.2003 · Russian Federation |
| Sizov Aleksandr Aleksandrovich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Silaev Vladimir Ivanovich year of birth not listed · LDPR | State Duma, 2003 07.12.2003 · Russian Federation |
| Silina Viktoriya Yurevna b. 11.11.1965 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Silov Anatoliy Aleksandrovich b. 20.05.1938 · кандидат с отказом в регистрации · Party of Pensioners | Regional assembly, Chuvash Republic, 2006 08.10.2006 · Chuvash Republic |
| Simakin Aleksandr Nikolaevich year of birth not listed · CPRF | Regional assembly, Saratov Oblast, 2002 08.09.2002 · Saratov Oblast |
| Simakin Oleg Vladimirovich b. 1991 · Withdrawn · New People | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Simdyankina Mariya Kuzminichna year of birth not listed · CPRF | Regional assembly, Republic of Mordovia, 2003 07.12.2003 · Republic of Mordovia |
| Simdyankina Mariya Kuzminichna year of birth not listed · CPRF | Regional assembly, Republic of Mordovia, 2003 07.12.2003 · Republic of Mordovia |
| Simkin Sergey Viktorovich year of birth not listed · CPRF | Regional assembly, Tambov Oblast, 2001 16.12.2001 · Tambov Oblast |
| Simonenkov Yuriy Pavlovich year of birth not listed · CPRF | Regional assembly, Bryansk Oblast, 2004 05.12.2004 · Bryansk Oblast |
| Simonov Vladimir Sergeevich year of birth not listed · Party of Pensioners | State Duma, 2003 07.12.2003 · Russian Federation |
| Simonov Vladimir Sergeevich year of birth not listed · Party of Pensioners | Regional assembly, Ulyanovsk Oblast, 2003 07.12.2003 · Ulyanovsk Oblast |
| Simonov Vladimir Sergeevich year of birth not listed · Party of Pensioners | State Duma, 2003 07.12.2003 · Russian Federation |
| Simonov Evgeniy Aleksandrovich b. 05.02.1951 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Leningrad Oblast, 2007 11.03.2007 · Leningrad Oblast |
| Simchuk Anatoliy Dmitrievich year of birth not listed · Patriots of Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Sinev Andrey Olegovich year of birth not listed · The Greens | State Duma, 2003 07.12.2003 · Russian Federation |
| Sinelschikov Yuriy Petrovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Sinitsin Ivan Nikolaevich b. 25.09.1958 · зарег. по проп. и маж. системам · United Russia | Regional assembly, Vladimir Oblast, 2005 20.03.2005 · Vladimir Oblast |
| Sinitsyn Vladimir Alekseevich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Sinitsyn Vladimir Alekseevich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Sintsov Valeriy Nikolaevich b. 26.01.1965 · кандидат с отказом в регистрации · Patriots of Russia | Regional assembly, Samara Oblast, 2007 11.03.2007 · Samara Oblast |
| Sinyushin Konstantin Stanislavovich b. 24.02.1965 · утративший статус выдв. кандидата · Yabloko | Regional assembly, Moscow, 2005 04.12.2005 · Moscow |
| Sinyavina Inessa Vladimirovna b. 20.01.1929 · утративший статус выдв. кандидата · Rodina | Regional assembly, Vladimir Oblast, 2005 20.03.2005 · Vladimir Oblast |
| Sinyavskiy Artem Olegovich b. 1990 · отказ в регистрации · RPSS | Head, Komi Republic, 2025 14.09.2025 · Komi Republic |
