| Sibagatullin Fatikh Saubanovich b. 01.05.1950 · Elected deputy · United Russia | State Duma, 2007 02.12.2007 · Russian Federation |
| Sibagatullin Fatikh Saubanovich b. 01.05.1950 · Elected deputy · United Russia | State Duma, 2016 18.09.2016 · Russian Federation |
| Sibagatullin Fatikh Saubanovich b. 01.05.1950 · Elected deputy · United Russia | State Duma, 2011 04.12.2011 · Russian Federation |
| Sibikin Sergey Leonidovich b. 28.11.1967 · Elected deputy · CPRF | Regional assembly, Orenburg Oblast, 2011 13.03.2011 · Orenburg Oblast |
| Sivak Roman Andreevich b. 1975 · Elected · A Just Russia | Regional assembly, Novosibirsk Oblast, 2025 14.09.2025 · Novosibirsk Oblast |
| Sivirkin Dmitriy Vadimovich b. 05.09.1962 · Elected deputy · United Russia | Regional assembly, Samara Oblast, 2007 11.03.2007 · Samara Oblast |
| Sivirkin Dmitriy Vadimovich b. 05.09.1962 · Elected deputy · United Russia | Regional assembly, Samara Oblast, 2011 04.12.2011 · Samara Oblast |
| Sivkov Andrey Nikolaevich b. 30.06.1968 · Elected deputy · United Russia | Regional assembly, Vologda Oblast, 2011 04.12.2011 · Vologda Oblast |
| Sivkov Sergey Leontevich b. 11.03.1959 · Elected deputy · Party of Pensioners | Regional assembly, Perm Krai, 2006 03.12.2006 · Perm Krai |
| Sivkov Yuriy Sergeevich b. 14.12.1953 · Elected deputy · United Russia | Regional assembly, Arkhangelsk Oblast, 2004 19.12.2004 · Arkhangelsk Oblast |
| Sivov Viktor Vasilevich b. 05.12.1946 · Elected deputy · CPRF | Regional assembly, Omsk Oblast, 2011 04.12.2011 · Omsk Oblast |
| Sigidin Andrey Sergeevich b. 22.11.1972 · Elected deputy · United Russia | Regional assembly, Krasnodar Krai, 2012 14.10.2012 · Krasnodar Krai |
| Sigutkin Aleksey Alekseevich b. 12.09.1949 · Elected deputy · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Sidorenko Leonid Ivanovich b. 07.10.1958 · Elected deputy · Self-nomination | Regional assembly, Novosibirsk Oblast, 2005 11.12.2005 · Novosibirsk Oblast |
| Sidorenko Leonid Ivanovich b. 07.10.1958 · Elected deputy · Self-nomination | Regional assembly, Novosibirsk Oblast, 2001 02.12.2001 · Novosibirsk Oblast |
| Sidorenko Oleg Petrovich b. 04.07.1966 · Elected deputy · A Just Russia | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Sidorenko Sergey Petrovich b. 28.07.1956 · Elected deputy · Self-nomination | Regional assembly, Primorsky Krai, 2006 08.10.2006 · Primorsky Krai |
| Sidorenko Sergey Petrovich b. 28.07.1956 · Elected deputy · Self-nomination | Regional assembly, Primorsky Krai, 2001 09.12.2001 · Primorsky Krai |
| Sidorenko Fedor Nikolaevich b. 31.03.1970 · Elected deputy · United Russia | Regional assembly, Krasnoyarsk Krai, 2007 15.04.2007 · Krasnoyarsk Krai |
| Sidorina Irina Fedorovna b. 16.08.1971 · Elected deputy · United Russia | Regional assembly, Ivanovo Oblast, 2005 04.12.2005 · Ivanovo Oblast |
| Sidorina Irina Fedorovna b. 16.08.1971 · Elected deputy · United Russia | Early · Regional assembly, Ivanovo Oblast, 2008 02.03.2008 · Ivanovo Oblast |
| Sidorkov Aleksandr Pavlovich b. 27.09.1956 · Elected deputy · United Russia | By-election · Regional assembly, Stavropol Krai, 2008 12.10.2008 · Stavropol Krai |
| Sidorov Aleksandr Leonidovich b. 15.03.1952 · Elected deputy · United Russia | State Duma, 2016 18.09.2016 · Russian Federation |
| Sidorov Aleksandr Nikolaevich b. 29.01.1955 · Elected deputy · United Russia | Regional assembly, Khanty-Mansi Autonomous Okrug, 2006 12.03.2006 · Khanty-Mansi Autonomous Okrug |
| Sidorov Viktor Vladimirovich b. 19.10.1964 · Elected deputy · Self-nomination | Regional assembly, Orenburg Oblast, 2002 30.06.2002 · Orenburg Oblast |
| Sidorov Viktor Ivanovich b. 11.02.1948 · Elected deputy · Self-nomination | Regional assembly, Republic of Buryatia, 2002 23.06.2002 · Republic of Buryatia |
| Sidorov Vladimir Vasilevich b. 26.08.1966 · Elected deputy · CPRF | Regional assembly, Tula Oblast, 2009 11.10.2009 · Tula Oblast |
| Sidorov Vladimir Karpovich b. 15.03.1949 · Elected deputy · United Russia | Regional assembly, Ryazan Oblast, 2010 14.03.2010 · Ryazan Oblast |
| Sidorov Vladimir Karpovich b. 15.03.1949 · Elected deputy · Self-nomination | Regional assembly, Ryazan Oblast, 2001 25.03.2001 · Ryazan Oblast |
| Sidorov Vladimir Karpovich b. 1949 · Elected · United Russia | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Sidorov Vladimir Karpovich b. 15.03.1949 · Elected deputy · United Russia | Regional assembly, Ryazan Oblast, 2005 20.03.2005 · Ryazan Oblast |
| Sidorov Vladimir Fedorovich b. 22.06.1969 · Elected deputy · LDPR | Regional assembly, Moscow Oblast, 2011 04.12.2011 · Moscow Oblast |
| Sidorov Denis Sergeevich b. 1981 · Elected · CPRF | Regional assembly, Ryazan Oblast, 2025 14.09.2025 · Ryazan Oblast |
| Sidorov Nikolay Dmitrievich b. 14.02.1962 · Elected deputy · United Russia | Regional assembly, Bryansk Oblast, 2009 01.03.2009 · Bryansk Oblast |
| Sidorov Sergey Petrovich b. 08.05.1961 · Elected deputy · Self-nomination | Regional assembly, Sakha Republic (Yakutia), 2002 29.12.2002 · Sakha Republic (Yakutia) |
| Sidorov Fedor Valentinovich b. 24.03.1961 · Elected deputy · United Russia | Regional assembly, Amur Oblast, 2011 04.12.2011 · Amur Oblast |
| Sidorova Elizaveta Gavrilevna b. 15.06.1961 · Elected deputy · Self-nomination | Regional assembly, Sakha Republic (Yakutia), 2002 29.12.2002 · Sakha Republic (Yakutia) |
| Sidorovskiy Oleg Stanislavovich b. 08.10.1969 · Elected deputy · United Russia | By-election · Regional assembly, Arkhangelsk Oblast, 2017 21.05.2017 · Arkhangelsk Oblast |
| Sidorok Ivan Evgenevich b. 16.05.1978 · Elected deputy · Party of Pensioners | Regional assembly, Nizhny Novgorod Oblast, 2006 12.03.2006 · Nizhny Novgorod Oblast |
| Sidukhina Marina Gennadevna b. 28.10.1963 · Elected deputy · United Russia | By-election · Regional assembly, Samara Oblast, 2010 14.03.2010 · Samara Oblast |
| Sidyukov Aleksey Alekseevich b. 13.08.1979 · Elected deputy · United Russia | Regional assembly, Krasnodar Krai, 2012 14.10.2012 · Krasnodar Krai |
| Sidyurkin Evgeniy Georgievich b. 02.08.1954 · Elected deputy · United Russia | Regional assembly, Khabarovsk Krai, 2010 14.03.2010 · Khabarovsk Krai |
| Sidyakin Aleksandr Gennadevich b. 17.11.1977 · Elected deputy · United Russia | State Duma, 2011 04.12.2011 · Russian Federation |
| Sizhazhev Valeriy Khuseynovich b. 30.08.1941 · Elected deputy · United Russia | Regional assembly, Kabardino-Balkarian Republic, 2009 01.03.2009 · Kabardino-Balkarian Republic |
| Sizikov Aleksandr Vasilevich b. 29.10.1955 · Elected deputy · United Russia | Regional assembly, Republic of Bashkortostan, 2003 16.03.2003 · Republic of Bashkortostan |
| Sizintsev Andrey Ivanovich b. 24.03.1967 · Elected deputy · LDPR | Regional assembly, Kamchatka Krai, 2011 04.12.2011 · Kamchatka Krai |
| Sizov Aleksandr Aleksandrovich b. 12.09.1948 · Elected deputy · United Russia | Regional assembly, Yaroslavl Oblast, 2008 02.03.2008 · Yaroslavl Oblast |
| Sizov Denis Vasilevich b. 11.07.1982 · Elected deputy · LDPR | Early · Regional assembly, Sverdlovsk Oblast, 2011 04.12.2011 · Sverdlovsk Oblast |
| Sikorskiy Anatoliy Sergeevich b. 15.07.1956 · Elected deputy · LDPR | State Duma, 2011 04.12.2011 · Russian Federation |
| Silaev Dmitriy Vasilevich b. 03.01.1951 · Elected deputy · A Just Russia | Regional assembly, Leningrad Oblast, 2011 04.12.2011 · Leningrad Oblast |