| Sirazitdinova Alevtina Kyrgysovna b. 07.03.1942 · Registered · Self-nomination | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Sirash Aleksandr Fedorovich b. 01.05.1951 · Registered · Self-nomination | Regional assembly, Altai Krai, 2004 14.03.2004 · Altai Krai |
| Sirota Lyudmila Viktorovna b. 11.08.1955 · Registered · A Just Russia | Regional assembly, Republic of Adygea, 2011 13.03.2011 · Republic of Adygea |
| Sirotenko Viktor Ivanovich b. 15.01.1958 · Registered · A Just Russia | Regional assembly, Pskov Oblast, 2011 04.12.2011 · Pskov Oblast |
| Sirotenko Tatyana Mikhaylovna b. 08.11.1948 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2002 09.06.2002 · Primorsky Krai |
| Sirotenko Tatyana Mikhaylovna b. 08.11.1948 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2001 09.12.2001 · Primorsky Krai |
| Sirotin Anatoliy Ivanovich b. 03.07.1953 · Registered · CPRF | State Duma, 2007 02.12.2007 · Russian Federation |
| Sirotin Anatoliy Ivanovich b. 03.07.1953 · Registered · Lipetskoe oblastnoe otdelenie Kommunisticheskoy partii Rossiyskoy Federatsii | By-election · Regional assembly, Lipetsk Oblast, 2010 10.10.2010 · Lipetsk Oblast |
| Sirotin Anatoliy Ivanovich b. 03.07.1953 · Registered · Voters’ group | Regional assembly, Lipetsk Oblast, 2006 08.10.2006 · Lipetsk Oblast |
| Sirotin Anatoliy Ivanovich b. 03.07.1953 · Registered · CPRF | State Duma, 2011 04.12.2011 · Russian Federation |
| Sirotin Igor Evgenevich b. 08.02.1963 · Registered · Self-nomination | By-election · Regional assembly, Pskov Oblast, 2004 14.03.2004 · Pskov Oblast |
| Sirotin Igor Evgenevich b. 08.02.1963 · Registered · United Russia | Regional assembly, Pskov Oblast, 2011 04.12.2011 · Pskov Oblast |
| Sirotin Igor Evgenevich b. 08.02.1963 · Registered · United Russia | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sirotinskiy Aleksandr Nikolaevich b. 05.07.1959 · Registered · A Just Russia | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Sirotinskiy Konstantin Nikolaevich b. 19.04.1966 · Registered · CPRF | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Sirotkin Andrey Aleksandrovich b. 03.05.1974 · Registered · LDPR | Regional assembly, Tver Oblast, 2005 18.12.2005 · Tver Oblast |
| Sirotkin Andrey Aleksandrovich b. 03.05.1974 · Registered · LDPR | Regional assembly, Tver Oblast, 2005 18.12.2005 · Tver Oblast |
| Sirotkin Gennadiy Anatolevich b. 24.11.1953 · Registered · Self-nomination | Governor, Jewish Autonomous Oblast, 2000 26.03.2000 · Jewish Autonomous Oblast |
| Sirotkin Sergey Nikanorovich b. 14.04.1952 · Registered · LDPR | Regional assembly, Ivanovo Oblast, 2000 03.12.2000 · Ivanovo Oblast |
| Sirotkin Sergey Nikanorovich b. 14.04.1952 · Registered · LDPR | Governor, Ivanovo Oblast, 2014 14.09.2014 · Ivanovo Oblast |
| Sirotkin Sergey Nikanorovich b. 14.04.1952 · Registered · LDPR | State Duma, 2003 07.12.2003 · Russian Federation |
| Sirotskaya Tamara Ivanovna b. 04.06.1941 · Registered · United Russia | Regional assembly, Kurgan Oblast, 2010 14.03.2010 · Kurgan Oblast |
| Sirotskiy Evgeniy Grigorevich b. 23.02.1956 · Registered · Self-nomination | By-election · Regional assembly, Penza Oblast, 2006 08.10.2006 · Penza Oblast |
| Sirchenko Aleksandr Aleksandrovich b. 25.01.1959 · Registered · Self-nomination | Regional assembly, Republic of Adygea, 2001 04.03.2001 · Republic of Adygea |
| Sirchenko Nina Mikhaylovna b. 14.04.1950 · Registered · CPRF | Regional assembly, Amur Oblast, 2011 04.12.2011 · Amur Oblast |
| Siryachenko Alina Vladimirovna b. 2002 · Registered · Communists of Russia | Regional assembly, Komi Republic, 2025 14.09.2025 · Komi Republic |
| Sisauri Zurab Mikhaylovich b. 16.04.1965 · Registered · Self-nomination | Repeat · Regional assembly, Republic of North Ossetia–Alania, 2005 13.03.2005 · Republic of North Ossetia–Alania |
| Sisieva Aset Saydkhasanovna b. 16.05.1977 · Registered · United Russia | Early · Regional assembly, Chechen Republic, 2008 12.10.2008 · Chechen Republic |
| Sisina Ekaterina Anatolevna b. 1969 · Registered · CPRF | Regional assembly, Chelyabinsk Oblast, 2025 14.09.2025 · Chelyabinsk Oblast |
| Sisina Ekaterina Anatolevna b. 1969 · Registered · CPRF | Regional assembly, Chelyabinsk Oblast, 2025 14.09.2025 · Chelyabinsk Oblast |
| Sisina Tatyana Nikolaevna b. 14.10.1963 · Registered · A Just Russia | Regional assembly, Leningrad Oblast, 2011 04.12.2011 · Leningrad Oblast |
| Sisun Anatoliy Aleksandrovich b. 01.01.1965 · Registered · A Just Russia | Regional assembly, Pskov Oblast, 2011 04.12.2011 · Pskov Oblast |
| Sitdikov Nail Chyngyzovich b. 29.06.1975 · Registered · LDPR | Regional assembly, Republic of Tatarstan, 2009 01.03.2009 · Republic of Tatarstan |
| Sitdikova Gulyanat Fatkhutdinovna b. 10.12.1952 · Registered · Self-nomination | Regional assembly, Sakha Republic (Yakutia), 2002 29.12.2002 · Sakha Republic (Yakutia) |
| Sitekova Raisa Mayranovna b. 10.02.1965 · Registered · Civic Force | State Duma, 2007 02.12.2007 · Russian Federation |
| Sitkin Konstantin Ivanovich b. 1993 · Registered · LDPR | Regional assembly, Pskov Oblast, 2026 20.09.2026 · Pskov Oblast |
| Sitkin Konstantin Ivanovich b. 1993 · Registered · LDPR | Regional assembly, Pskov Oblast, 2026 20.09.2026 · Pskov Oblast |
| Sitkina Natalya Vladimirovna b. 20.04.1976 · Registered · Party for Justice | Regional assembly, Krasnodar Krai, 2012 14.10.2012 · Krasnodar Krai |
| Sitko Sergey Yurevich b. 13.04.1951 · Registered · Voters’ group | Regional assembly, Republic of Tatarstan, 2004 14.03.2004 · Republic of Tatarstan |
| Sitko Sergey Yurevich b. 13.04.1951 · Registered · Yabloko | State Duma, 2011 04.12.2011 · Russian Federation |
| Sitko Sergey Yurevich b. 13.04.1951 · Registered · Voters’ group | Regional assembly, Republic of Tatarstan, 2004 14.03.2004 · Republic of Tatarstan |
| Sitko Sergey Yurevich b. 13.04.1951 · Registered · Party of Pensioners | State Duma, 2021 19.09.2021 · Russian Federation |
| Sitnik Vladimir Grigorevich b. 18.02.1954 · Registered · Voters’ group | Regional assembly, Sverdlovsk Oblast, 2006 08.10.2006 · Sverdlovsk Oblast |
| Sitnikov Aleksandr Vladimirovich b. 15.04.1955 · Registered · A Just Russia | Regional assembly, Udmurt Republic, 2012 14.10.2012 · Udmurt Republic |
| Sitnikov Aleksandr Vladimirovich b. 15.04.1955 · Registered · A Just Russia | Regional assembly, Udmurt Republic, 2012 14.10.2012 · Udmurt Republic |
| Sitnikov Aleksandr Nikolaevich b. 29.08.1957 · Registered · Politicheskaya partiya "Liberalno-demokraticheskaya partiya Rossiyskoy Federatsii" | Regional assembly, Republic of Bashkortostan, 2008 02.03.2008 · Republic of Bashkortostan |
| Sitnikov Aleksey Vladimirovich b. 19.06.1971 · Registered · United Russia | Regional assembly, Kostroma Oblast, 2005 04.12.2005 · Kostroma Oblast |
| Sitnikov Aleksey Vladimirovich b. 19.06.1971 · Registered · Self-nomination | Regional assembly, Kostroma Oblast, 2002 08.12.2002 · Kostroma Oblast |
| Sitnikov Aleksey Vladimirovich b. 19.06.1971 · Registered · United Russia | Regional assembly, Kostroma Oblast, 2005 04.12.2005 · Kostroma Oblast |
| Sitnikov Aleksey Vladimirovich b. 1971 · Registered · United Russia | Regional assembly, Kostroma Oblast, 2025 14.09.2025 · Kostroma Oblast |
