| Serov Sergey Nikolaevich b. 24.04.1956 · Registered · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Serov Sergey Nikolaevich b. 24.04.1956 · зарег. по проп. и маж. системам · Voters’ group | Regional assembly, Altai Krai, 2004 14.03.2004 · Altai Krai |
| Serova Marina Anatolevna b. 04.07.1984 · Nominated · Voters’ group | Regional assembly, Vladimir Oblast, 2013 08.09.2013 · Vladimir Oblast |
| Serovatov Viktor Aleksandrovich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Seroglazov Andrey Petrovich b. 25.06.1980 · Nominated · Voters’ group | Regional assembly, Orenburg Oblast, 2016 18.09.2016 · Orenburg Oblast |
| Serpenev Aleksandr Valerevich b. 31.12.1970 · Nominated · Voters’ group | Regional assembly, Novosibirsk Oblast, 2020 13.09.2020 · Novosibirsk Oblast |
| Seregin Sergey Nikolaevich b. 06.09.1976 · Nominated · Voters’ group | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
| Seregin Sergey Nikolaevich b. 06.09.1976 · Nominated · Voters’ group | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
| Seregin Yuriy Alekseevich b. 28.04.1966 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2015 13.09.2015 · Ryazan Oblast |
| Seferbekov Ruslan Ibragimovich b. 11.08.1961 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Republic of Dagestan, 2007 11.03.2007 · Republic of Dagestan |
| Sefikhanov Shikhsefi Sefikhanovich b. 17.08.1936 · Nominated · Voters’ group | Regional assembly, Republic of Dagestan, 2016 18.09.2016 · Republic of Dagestan |
| Sekhin Sergey Sergeevich year of birth not listed · Voters’ group | Regional assembly, Bryansk Oblast, 2000 10.12.2000 · Bryansk Oblast |
| Sechkin Aleksandr Anatolevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sechkin Aleksandr Anatolevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sechkin Aleksandr Anatolevich year of birth not listed · Voters’ group | Governor, Magadan Oblast, 2003 02.02.2003 · Magadan Oblast |
| Sechkin Aleksey Aleksandrovich b. 16.03.1982 · Nominated · Voters’ group | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Sechkin Sergey Aleksandrovich b. 08.08.1977 · Nominated · Voters’ group | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Sechko Veronika Olegovna b. 20.05.1987 · Nominated · Voters’ group | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Sechnev Vyacheslav Vasilevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sibagatullin Eldus Samigullovich b. 05.08.1945 · Registered · Voters’ group | Regional assembly, Mari El Republic, 2000 08.10.2000 · Mari El Republic |
| Sibina Valentina Aleksandrovna b. 02.12.1952 · Nominated · Voters’ group | Regional assembly, Krasnoyarsk Krai, 2016 18.09.2016 · Krasnoyarsk Krai |
| Sibirekov Nikita Romanovich b. 08.07.1997 · Nominated · Voters’ group | Regional assembly, Republic of Khakassia, 2023 10.09.2023 · Republic of Khakassia |
| Sibiryakov Artur Igorevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sibiryakov Sergey Anatolevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sibiryakov Sergey Anatolevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sibiryakova Tatyana Viktorovna year of birth not listed · Voters’ group | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Sibiryakova Tatyana Ivanovna year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sibirev Aleksandr Leonidovich b. 23.02.1959 · Nominated · Voters’ group | Regional assembly, Ivanovo Oblast, 2013 08.09.2013 · Ivanovo Oblast |
| Sivak Valentin Vladimirovich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sivanova Lidiya Mikhaylovna b. 25.02.1986 · Registered · Voters’ group | Regional assembly, Komi Republic, 2007 11.03.2007 · Komi Republic |
| Sivkov Viktor Mikhaylovich b. 14.10.1947 · Nominated · Voters’ group | Regional assembly, Arkhangelsk Oblast, 2013 08.09.2013 · Arkhangelsk Oblast |
| Sivoplyasov Aleksandr Aleksandrovich b. 27.09.1990 · Nominated · Voters’ group | Regional assembly, Voronezh Oblast, 2020 13.09.2020 · Voronezh Oblast |
| Sivorin Mikhail Nikolaevich b. 18.11.1977 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Sivukhin Lev Anatolevich b. 27.07.1984 · Registered · Voters’ group | Regional assembly, Oryol Oblast, 2007 11.03.2007 · Oryol Oblast |
| Sivtsev Aleksandr Ivanovich b. 28.05.1982 · Nominated · Voters’ group | Regional assembly, Sakha Republic (Yakutia), 2013 08.09.2013 · Sakha Republic (Yakutia) |
| Sivtsev Vasiliy Vasilevich b. 17.07.1967 · Nominated · Voters’ group | Regional assembly, Sakha Republic (Yakutia), 2013 08.09.2013 · Sakha Republic (Yakutia) |
| Sigal Pavel Abramovich b. 05.06.1954 · Registered · Voters’ group | Regional assembly, Republic of Tatarstan, 2004 14.03.2004 · Republic of Tatarstan |
| Siganov Sergey Evgenevich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Sigachev Artem Igorevich b. 1999 · Registered · Voters’ group | Regional assembly, Voronezh Oblast, 2025 14.09.2025 · Voronezh Oblast |
| Sigolaeva Natalya Sergeevna b. 11.08.1963 · Nominated · Voters’ group | President, 2000 26.03.2000 · Russian Federation |
| Sidakov Zaurbek Aslanbekovich b. 06.03.1985 · Nominated · Voters’ group | Regional assembly, Republic of North Ossetia–Alania, 2017 10.09.2017 · Republic of North Ossetia–Alania |
| Sidelev Sergey Vasilevich b. 21.10.1965 · Nominated · Voters’ group | Regional assembly, Krasnoyarsk Krai, 2016 18.09.2016 · Krasnoyarsk Krai |
| Sidelnik Andrey Nikolaevich b. 27.02.1968 · Nominated · Voters’ group | Regional assembly, Moscow Oblast, 2016 18.09.2016 · Moscow Oblast |
| Sidelnikov Aleksey Alekseevich b. 22.03.1965 · Registered · Voters’ group | Regional assembly, Mari El Republic, 2004 10.10.2004 · Mari El Republic |
| Sidelnikova Mariya Anatolevna b. 16.07.1987 · Nominated · Voters’ group | Regional assembly, Voronezh Oblast, 2020 13.09.2020 · Voronezh Oblast |
| Sidelnikova Svetlana Nikolaevna b. 19.12.1965 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Vologda Oblast, 2007 11.03.2007 · Vologda Oblast |
| Sidnev Viktor Vladimirovich year of birth not listed · Voters’ group | Regional assembly, Moscow Oblast, 2001 16.12.2001 · Moscow Oblast |
| Sidnev Vladimir Kimovich b. 31.07.1965 · Nominated · Voters’ group | Regional assembly, Saint Petersburg, 2016 18.09.2016 · Saint Petersburg |
| Sidnev Vladimir Kimovich b. 31.07.1965 · Nominated · Voters’ group | Regional assembly, Leningrad Oblast, 2016 18.09.2016 · Leningrad Oblast |
| Sidorenko Aleksandr Aleksandrovich b. 13.11.1984 · Nominated · Voters’ group | Regional assembly, Kaliningrad Oblast, 2016 18.09.2016 · Kaliningrad Oblast |