| Sivokon Aleksey Konstantinovich b. 23.01.1986 · Registered · Patriots of Russia | Regional assembly, Amur Oblast, 2011 04.12.2011 · Amur Oblast |
| Sivolobov Boris Nikolaevich b. 22.10.1953 · Registered · A Just Russia | Regional assembly, Altai Krai, 2011 04.12.2011 · Altai Krai |
| Sivolobov Igor Germanovich b. 05.01.1965 · Registered · Right Cause | Early · Regional assembly, Sverdlovsk Oblast, 2011 04.12.2011 · Sverdlovsk Oblast |
| Sivoronova Nadezhda Vasilevna b. 13.06.1954 · Registered · A Just Russia | Regional assembly, Kaluga Oblast, 2010 14.03.2010 · Kaluga Oblast |
| Sivokha Vasiliy Nikolaevich b. 23.03.1970 · Registered · United Russia | Regional assembly, Omsk Oblast, 2011 04.12.2011 · Omsk Oblast |
| Sivokhin Dmitriy Vladimirovich b. 30.01.1975 · Registered · A Just Russia | State Duma, 2016 18.09.2016 · Russian Federation |
| Sivukhin Vladislav Nikolaevich b. 07.01.1962 · Registered · LDPR | Regional assembly, Tuva Republic, 2010 10.10.2010 · Tuva Republic |
| Sivukhin Vladislav Nikolaevich b. 07.01.1962 · Registered · LDPR | Regional assembly, Tuva Republic, 2010 10.10.2010 · Tuva Republic |
| Sivukhin Lev Anatolevich b. 27.07.1984 · Registered · Voters’ group | Regional assembly, Oryol Oblast, 2007 11.03.2007 · Oryol Oblast |
| Sivtsev Evgeniy Viktorovich b. 01.10.1984 · Registered · LDPR | Regional assembly, Perm Krai, 2011 04.12.2011 · Perm Krai |
| Sivtsev Evgeniy Viktorovich b. 01.10.1984 · Registered · LDPR | State Duma, 2016 18.09.2016 · Russian Federation |
| Sivtsova Ekaterina Evgenevna b. 09.12.1984 · Registered · Politicheskaya partiya «Demokraticheskaya partiya Rossii» | State Duma, 2007 02.12.2007 · Russian Federation |
| Sigaev Sergey Pavlovich b. 18.02.1949 · Registered · CPRF | Regional assembly, Smolensk Oblast, 2002 19.05.2002 · Smolensk Oblast |
| Sigal Pavel Abramovich b. 05.06.1954 · Registered · Voters’ group | Regional assembly, Republic of Tatarstan, 2004 14.03.2004 · Republic of Tatarstan |
| Sigal Pavel Abramovich b. 05.06.1954 · Registered · Right Cause | State Duma, 2011 04.12.2011 · Russian Federation |
| Sigal Pavel Abramovich b. 05.06.1954 · Registered · Politicheskaya partiya «SOYUZ PRAVYKh SIL» | State Duma, 2007 02.12.2007 · Russian Federation |
| Sigarev Viktor Vladimirovich b. 17.01.1959 · Registered · Samovydvizhenie | Regional assembly, Altai Krai, 2008 02.03.2008 · Altai Krai |
| Sigachev Artem Igorevich b. 1999 · Registered · Voters’ group | Regional assembly, Voronezh Oblast, 2025 14.09.2025 · Voronezh Oblast |
| Sigova Natalya Petrovna b. 14.11.1960 · Registered · CPRF | Regional assembly, Novgorod Oblast, 2011 04.12.2011 · Novgorod Oblast |
| Sigovatov Aleksandr Viktorovich b. 31.08.1962 · Registered · Patriots of Russia | Regional assembly, Saint Petersburg, 2007 11.03.2007 · Saint Petersburg |
| Sigunov Egor Vladimirovich b. 20.01.1973 · Registered · LDPR | Regional assembly, Vladimir Oblast, 2005 20.03.2005 · Vladimir Oblast |
| Sigunova Elena Vasilevna b. 1965 · Registered · The Greens | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Sidakov Azamat Khazretovich b. 17.08.1973 · Registered · A Just Russia | By-election · Regional assembly, Karachay-Cherkess Republic, 2012 04.03.2012 · Karachay-Cherkess Republic |
| Sidakov Tamerlan Dafaevich b. 13.07.1952 · Registered · Communists of Russia | Regional assembly, Republic of North Ossetia–Alania, 2012 14.10.2012 · Republic of North Ossetia–Alania |
| Sidakov Tamerlan Dafaevich b. 13.07.1952 · Registered · Yabloko | State Duma, 2011 04.12.2011 · Russian Federation |
| Sidakov Tamerlan Dafaevich b. 13.07.1952 · Registered · Communists of Russia | Regional assembly, Republic of North Ossetia–Alania, 2012 14.10.2012 · Republic of North Ossetia–Alania |
| Sidakova Zhanna Alikovna b. 29.12.1969 · Registered · Samovydvizhenie | By-election · Regional assembly, Karachay-Cherkess Republic, 2010 10.10.2010 · Karachay-Cherkess Republic |
| Sidakova Zhanna Alikovna b. 29.12.1969 · Registered · Patriots of Russia | By-election · Regional assembly, Karachay-Cherkess Republic, 2012 04.03.2012 · Karachay-Cherkess Republic |
| Sidakova Natalya Vladimirovna b. 1976 · Registered · United Russia | Regional assembly, Novosibirsk Oblast, 2025 14.09.2025 · Novosibirsk Oblast |
| Sidash Anton Valerevich b. 20.04.1984 · Registered · LDPR | Regional assembly, Yamalo-Nenets Autonomous Okrug, 2015 13.09.2015 · Yamalo-Nenets Autonomous Okrug |
| Sidash Anton Valerevich b. 20.04.1984 · Registered · LDPR | Regional assembly, Yamalo-Nenets Autonomous Okrug, 2015 13.09.2015 · Yamalo-Nenets Autonomous Okrug |
| Sidelnikov Aleksandr Vladimirovich b. 03.01.1986 · Registered · LDPR | State Duma, 2021 19.09.2021 · Russian Federation |
| Sidelnikov Aleksey Alekseevich b. 22.03.1965 · Registered · Voters’ group | Regional assembly, Mari El Republic, 2004 10.10.2004 · Mari El Republic |
| Sidelnikov Evgeniy Konstantinovich b. 25.02.1945 · Registered · CPRF | Regional assembly, Kostroma Oblast, 2005 04.12.2005 · Kostroma Oblast |
| Sidelnikov Ivan Aleksandrovich b. 07.10.1979 · Registered · United Russia | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sidelnikov Pavel Vladimirovich b. 1986 · Registered · LDPR | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Sidelnikov Sergey Aleksandrovich b. 08.02.1977 · Registered · United Russia | Regional assembly, Volgograd Oblast, 2009 01.03.2009 · Volgograd Oblast |
| Sidelnikov Sergey Vladimirovich b. 1973 · Registered · A Just Russia | Regional assembly, Republic of Mordovia, 2026 20.09.2026 · Republic of Mordovia |
| Sidelnikova Lyudmila Alekseevna b. 19.04.1948 · Registered · CPRF | Regional assembly, Samara Oblast, 2011 04.12.2011 · Samara Oblast |
| Sidelnikova Lyudmila Alekseevna b. 19.04.1948 · Registered · CPRF | Regional assembly, Samara Oblast, 2007 11.03.2007 · Samara Oblast |
| Sidelnikova Lyudmila Alekseevna b. 19.04.1948 · Registered · CPRF | State Duma, 2007 02.12.2007 · Russian Federation |
| Sideltsev Igor Anatolevich b. 04.09.1967 · Registered · United Russia | Regional assembly, Altai Republic, 2006 12.03.2006 · Altai Republic |
| Sidenkov Yuriy Georgievich b. 27.11.1947 · Registered · CPRF | Regional assembly, Magadan Oblast, 2005 22.05.2005 · Magadan Oblast |
| Sidenkov Yuriy Georgievich b. 27.11.1947 · Registered · Self-nomination | Regional assembly, Magadan Oblast, 2001 20.05.2001 · Magadan Oblast |
| Siderman Aleksandr Igorevich b. 20.04.1989 · Registered · Patriots of Russia | Regional assembly, Sakhalin Oblast, 2012 14.10.2012 · Sakhalin Oblast |
| Sidnev Viktor Vladimirovich b. 02.03.1955 · Registered · Party of Growth | State Duma, 2016 18.09.2016 · Russian Federation |
| Sidnev Viktor Vladimirovich b. 02.03.1955 · Registered · Party of Growth | State Duma, 2021 19.09.2021 · Russian Federation |
| Sidneva Svetlana Vasilevna b. 20.02.1969 · Registered · Politicheskaya partiya «SOYUZ PRAVYKh SIL» | State Duma, 2007 02.12.2007 · Russian Federation |
| Sidorenko Aleksandr Vladimirovich b. 30.09.1972 · Registered · LDPR | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Sidorenko Aleksandr Vladimirovich b. 30.09.1972 · Registered · LDPR | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
