| Oskina Nadezhda Georgievna b. 09.01.1981 · Registered · Patriots of Russia | Regional assembly, Kamchatka Krai, 2011 04.12.2011 · Kamchatka Krai |
| Oskina Natalya Vladimirovna b. 1974 · Registered · CPRF | By-election · Regional assembly, Rostov Oblast, 2026 20.09.2026 · Rostov Oblast |
| Oskina Natalya Vladimirovna b. 1974 · Registered · CPRF | By-election · State Duma, 2024 08.09.2024 · Russian Federation |
| Osmak Igor Anatolevich b. 1983 · Registered · CPRF | Regional assembly, Novosibirsk Oblast, 2025 14.09.2025 · Novosibirsk Oblast |
| Osminina Marina Viktorovna b. 1971 · Registered · United Russia | Regional assembly, Voronezh Oblast, 2025 14.09.2025 · Voronezh Oblast |
| Osmushkin Vladimir Stepanovich b. 05.07.1937 · Registered · CPRF | Regional assembly, Altai Krai, 2011 04.12.2011 · Altai Krai |
| Osyadovskiy Aleksandr Antonovich b. 13.11.1950 · Registered · A Just Russia | Regional assembly, Voronezh Oblast, 2010 14.03.2010 · Voronezh Oblast |
| Otarov Boris Mutalibovich b. 01.08.1948 · Registered · Voters’ group | Regional assembly, Kabardino-Balkarian Republic, 2003 07.12.2003 · Kabardino-Balkarian Republic |
| Otboyschikov Vitaliy Vladimirovich b. 1978 · Registered · LDPR | Regional assembly, Omsk Oblast, 2026 20.09.2026 · Omsk Oblast |
| Otboyschikov Vitaliy Vladimirovich b. 1978 · Registered · LDPR | Regional assembly, Omsk Oblast, 2026 20.09.2026 · Omsk Oblast |
| Otboyschikov Vladislav Vitalevich b. 2002 · Registered · LDPR | Regional assembly, Omsk Oblast, 2026 20.09.2026 · Omsk Oblast |
| Otboyschikova Tatyana Alekseevna b. 1980 · Registered · LDPR | Regional assembly, Omsk Oblast, 2026 20.09.2026 · Omsk Oblast |
| Otborkin Vladimir Sergeevich b. 21.07.1976 · Registered · Politicheskaya partiya "Soyuz Gorozhan" | Regional assembly, Republic of North Ossetia–Alania, 2012 14.10.2012 · Republic of North Ossetia–Alania |
| Otborkin Vladimir Sergeevich b. 21.07.1976 · Registered · Politicheskaya partiya "Soyuz Gorozhan" | Regional assembly, Sakhalin Oblast, 2012 14.10.2012 · Sakhalin Oblast |
| Oteev Andrey Aleksandrovich b. 15.03.1988 · Registered · Yabloko | Regional assembly, Udmurt Republic, 2012 14.10.2012 · Udmurt Republic |
| Otinov Yuriy Ivanovich b. 20.01.1982 · Registered · Self-nomination | Regional assembly, Perm Krai, 2006 03.12.2006 · Perm Krai |
| Otkin Vyacheslav Ivanovich b. 28.11.1960 · Registered · LDPR | Regional assembly, Chelyabinsk Oblast, 2010 10.10.2010 · Chelyabinsk Oblast |
| Otkin Vyacheslav Ivanovich b. 28.11.1960 · Registered · LDPR | Regional assembly, Chelyabinsk Oblast, 2010 10.10.2010 · Chelyabinsk Oblast |
| Otlyachkina Tatyana Nikolaevna b. 07.11.1954 · Registered · Politicheskaya partiya «Agrarnaya partiya Rossii» | State Duma, 2007 02.12.2007 · Russian Federation |
| Otmakhov Ivan Andreevich b. 22.01.1950 · Registered · Samovydvizhenie | Regional assembly, Kirov Oblast, 2011 13.03.2011 · Kirov Oblast |
| Otmashkin Vladimir Nikolaevich b. 27.08.1953 · Registered · United Russia | Regional assembly, Altai Krai, 2008 02.03.2008 · Altai Krai |
| Otrokh Ivan Yakovlevich b. 10.06.1947 · Registered · Samovydvizhenie | Regional assembly, Kurgan Oblast, 2010 14.03.2010 · Kurgan Oblast |
| Otrubyannikov Mikhail Mitrofanovich b. 24.10.1964 · Registered · United Russia | Regional assembly, Tambov Oblast, 2011 13.03.2011 · Tambov Oblast |
| Otryaskin Andrey Valentinovich b. 09.09.1967 · Registered · CPRF | Regional assembly, Vologda Oblast, 2011 04.12.2011 · Vologda Oblast |
| Otryaskin Andrey Valentinovich b. 09.09.1967 · Registered · CPRF | Regional assembly, Vologda Oblast, 2011 04.12.2011 · Vologda Oblast |
| Otryaskin Andrey Valentinovich b. 09.09.1967 · Registered · Self-nomination | Regional assembly, Vologda Oblast, 2007 11.03.2007 · Vologda Oblast |
| Otstavnykh Andrey Mikhaylovich b. 11.09.1987 · Registered · United Russia | Regional assembly, Novosibirsk Oblast, 2010 10.10.2010 · Novosibirsk Oblast |
| Otuk-ool Orlan Olegovich b. 13.11.1972 · Registered · LDPR | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Otchalko Viktor Petrovich b. 18.04.1978 · Registered · Krasnodarskoe kraevoe otdelenie KOMMUNISTICHESKOY PARTII ROSSIYSKOY FEDERATSII | Regional assembly, Krasnodar Krai, 2012 14.10.2012 · Krasnodar Krai |
| Ofarinov Vladimir Leonidovich b. 03.12.1961 · Registered · Patriots of Russia | Regional assembly, Chuvash Republic, 2006 08.10.2006 · Chuvash Republic |
| Ofarinov Vladimir Leonidovich b. 03.12.1961 · Registered · A Just Russia | By-election · Regional assembly, Chuvash Republic, 2018 03.06.2018 · Chuvash Republic |
| Ofarinov Vladimir Leonidovich b. 03.12.1961 · Registered · Patriots of Russia | Regional assembly, Chuvash Republic, 2006 08.10.2006 · Chuvash Republic |
| Ofarinov Vladimir Leonidovich b. 03.12.1961 · Registered · A Just Russia | Regional assembly, Chuvash Republic, 2011 04.12.2011 · Chuvash Republic |
| Ofitserov Aleksey Anatolevich b. 23.01.1973 · Registered · A Just Russia | Regional assembly, Samara Oblast, 2011 04.12.2011 · Samara Oblast |
| Ofitserov Aleksey Anatolevich b. 23.01.1973 · Registered · Civic Platform | State Duma, 2016 18.09.2016 · Russian Federation |
| Okhalin Aleksey Sergeevich b. 10.11.1980 · Registered · A Just Russia | Regional assembly, Novosibirsk Oblast, 2010 10.10.2010 · Novosibirsk Oblast |
| Okhalin Maksim Sergeevich b. 30.08.1978 · Registered · Rodina | Regional assembly, Novosibirsk Oblast, 2005 11.12.2005 · Novosibirsk Oblast |
| Okhalin Nikolay Sergeevich b. 10.11.1980 · Registered · A Just Russia | Regional assembly, Novosibirsk Oblast, 2010 10.10.2010 · Novosibirsk Oblast |
| Okhlopkov Gavril Innokentevich b. 12.10.1969 · Registered · Self-nomination | Regional assembly, Sakha Republic (Yakutia), 2002 29.12.2002 · Sakha Republic (Yakutia) |
| Okhlopkov Oleg Anatolevich b. 02.07.1968 · Registered · LDPR | Regional assembly, Udmurt Republic, 2007 02.12.2007 · Udmurt Republic |
| Okhlopkov Stepan Stepanovich b. 07.04.1956 · Registered · "Sakha (Yakutskoe) respublikanskoe otdelenie politicheskoy partii "Agrarnaya partiya Rossii" | Regional assembly, Sakha Republic (Yakutia), 2008 02.03.2008 · Sakha Republic (Yakutia) |
| Okhlopkov Filipp Gavrilevich b. 15.06.1936 · Registered · CPRF | Regional assembly, Sakha Republic (Yakutia), 2002 29.12.2002 · Sakha Republic (Yakutia) |
| Okhov Sergey Valentinovich b. 24.02.1967 · Registered · Samovydvizhenie | Regional assembly, Yaroslavl Oblast, 2008 02.03.2008 · Yaroslavl Oblast |
| Okhonko Nikolay Anatolevich b. 17.02.1955 · Registered · United Russia | Regional assembly, Stavropol Krai, 2011 04.12.2011 · Stavropol Krai |
| Okhonko Nikolay Anatolevich b. 17.02.1955 · Registered · United Russia | Regional assembly, Stavropol Krai, 2007 11.03.2007 · Stavropol Krai |
| Okhota Sergey Ivanovich b. 07.10.1968 · Registered · A Just Russia | State Duma, 2011 04.12.2011 · Russian Federation |
| Okhotnikov Vyacheslav Dmitrievich b. 03.09.1963 · Registered · LDPR | Regional assembly, Kirov Oblast, 2006 12.03.2006 · Kirov Oblast |
| Okhotnikov Pavel Aleksandrovich b. 24.05.1974 · Registered · Voters’ group | Regional assembly, Ivanovo Oblast, 2005 04.12.2005 · Ivanovo Oblast |
| Okhotnikov Yuriy Ivanovich b. 11.02.1962 · Registered · United Russia | Regional assembly, Mari El Republic, 2004 10.10.2004 · Mari El Republic |
| Okhotnikov Yuriy Ivanovich b. 11.02.1962 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2000 08.10.2000 · Mari El Republic |
