| Osaulenko Ilya Igorevich b. 15.10.1993 · утративший статус выдв. кандидата · Samovydvizhenie | By-election · Regional assembly, Mari El Republic, 2023 23.04.2023 · Mari El Republic |
| Oseychuk Vladimir Ivanovich b. 04.04.1956 · кандидат с отказом в регистрации · Samovydvizhenie | State Duma, 2021 19.09.2021 · Russian Federation |
| Oseledets Anatoliy Danilovich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Osetrov Aleksandr Nikolaevich b. 25.03.1956 · Withdrawn · Self-nomination | Regional assembly, Republic of Bashkortostan, 2003 16.03.2003 · Republic of Bashkortostan |
| Osetrov Vladimir Vladimirovich b. 08.11.1984 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Kaluga Oblast, 2010 14.03.2010 · Kaluga Oblast |
| Osetrov Yuriy Anatolevich b. 28.04.1967 · утративший статус выдв. кандидата · A Just Russia | Governor, Belgorod Oblast, 2017 10.09.2017 · Belgorod Oblast |
| Osikova Irina Petrovna b. 20.01.1969 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Republic of Adygea, 2006 12.03.2006 · Republic of Adygea |
| Osin Viktor Konstantinovich b. 03.09.1953 · зарег. по проп. и маж. системам · United Russia | Regional assembly, Novosibirsk Oblast, 2005 11.12.2005 · Novosibirsk Oblast |
| Osin Vladimir Ivanovich year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Osinkin Sergey Aleksandrovich year of birth not listed · Self-nomination | Regional assembly, Ivanovo Oblast, 2000 03.12.2000 · Ivanovo Oblast |
| Osinkina Olga Vladimirovna year of birth not listed · CPRF | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Osintsev Aleksandr Ivanovich b. 15.03.1966 · Withdrawn · Right Cause | Regional assembly, Krasnodar Krai, 2012 14.10.2012 · Krasnodar Krai |
| Osintseva Tatyana Aleksandrovna b. 07.04.1990 · утративший статус выдв. кандидата · A Just Russia | Regional assembly, Omsk Oblast, 2011 04.12.2011 · Omsk Oblast |
| Osipenko Anatoliy Yurevich b. 19.03.1959 · кандидат с отказом в регистрации · Self-nomination | Repeat · State Duma, 2005 04.12.2005 · Russian Federation |
| Osipenko Andrey Anatolevich b. 28.07.1963 · Withdrawn · Politicheskaya partiya «SOYUZ PRAVYKh SIL» | State Duma, 2007 02.12.2007 · Russian Federation |
| Osipenkov Nikolay Ivanovich year of birth not listed · Self-nomination | Regional assembly, Smolensk Oblast, 2002 19.05.2002 · Smolensk Oblast |
| Osipkin Nikolay Ivanovich year of birth not listed · Self-nomination | Regional assembly, Bryansk Oblast, 2003 23.03.2003 · Bryansk Oblast |
| Osipov Aleksandr Viktorovich b. 06.08.1961 · кандидат с отказом в регистрации · Self-nomination | Regional assembly, Chelyabinsk Oblast, 2005 25.12.2005 · Chelyabinsk Oblast |
| Osipov Aleksandr Vyacheslavovich year of birth not listed · Self-nomination | Regional assembly, Moscow Oblast, 2001 16.12.2001 · Moscow Oblast |
| Osipov Aleksey Olegovich b. 28.12.1978 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Kurgan Oblast, 2004 28.11.2004 · Kurgan Oblast |
| Osipov Valeriy Evgenevich year of birth not listed · Self-nomination | Repeat · Regional assembly, Ulyanovsk Oblast, 2004 05.12.2004 · Ulyanovsk Oblast |
| Osipov Viktor Petrovich year of birth not listed · Self-nomination | Regional assembly, Kursk Oblast, 2001 14.01.2001 · Kursk Oblast |
| Osipov Viktor Petrovich year of birth not listed · CPRF | Regional assembly, Tambov Oblast, 2001 16.12.2001 · Tambov Oblast |
| Osipov Viktor Yurevich year of birth not listed · Self-nomination | Regional assembly, Stavropol Krai, 2001 16.12.2001 · Stavropol Krai |
| Osipov Vladimir Nikolaevich b. 09.08.1938 · кандидат с отказом в регистрации · Politicheskaya partiya «Narodnyy Soyuz» | State Duma, 2007 02.12.2007 · Russian Federation |
| Osipov Vladimir Pavlovich year of birth not listed · Self-nomination | Regional assembly, Penza Oblast, 2002 14.04.2002 · Penza Oblast |
| Osipov Vyacheslav Konstantinovich b. 29.08.1937 · исключенный из списка · United Russia | State Duma, 2011 04.12.2011 · Russian Federation |
| Osipov Dmitriy Vasilevich b. 29.04.1966 · Elected deputy · United Russia | Regional assembly, Kirov Oblast, 2011 13.03.2011 · Kirov Oblast |
| Osipov Evgeniy Vasilevich year of birth not listed · Self-nomination | By-election · Regional assembly, Ivanovo Oblast, 2001 04.03.2001 · Ivanovo Oblast |
| Osipov Sergey Anatolevich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Osiptsov Valeriy Nikolaevich b. 31.12.1963 · утративший статус выдв. кандидата · Samovydvizhenie | Regional assembly, Tomsk Oblast, 2011 04.12.2011 · Tomsk Oblast |
| Osiyan Vladimir Vasilevich b. 12.10.1946 · Withdrawn · Rodina | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Oskanov Magomed Katsievich year of birth not listed · Voters’ group | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Oskanov Rashid Magometovich b. 21.08.1967 · кандидат с отказом в регистрации · Rossiyskaya politicheskaya partiya Mira i Edinstva» | State Duma, 2007 02.12.2007 · Russian Federation |
| Oskirko Irina Anatolevna b. 14.03.1977 · утративший статус выдв. кандидата · Self-nomination | Repeat · Regional assembly, Irkutsk Oblast, 2005 20.03.2005 · Irkutsk Oblast |
| Oskirko Nikolay Nikolaevich year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Oskirko Nikolay Nikolaevich year of birth not listed · Self-nomination | Governor, Krasnoyarsk Krai, 2002 08.09.2002 · Krasnoyarsk Krai |
| Oskirko Nikolay Nikolaevich year of birth not listed · LDPR | Governor, Irkutsk Oblast, 2001 29.07.2001 · Irkutsk Oblast |
| Oskirko Nikolay Nikolaevich year of birth not listed · Self-nomination | Governor, Krasnoyarsk Krai, 2002 08.09.2002 · Krasnoyarsk Krai |
| Oskirko Nikolay Nikolaevich b. 14.09.1968 · кандидат с отказом в регистрации · Samovydvizhenie | Regional assembly, Irkutsk Oblast, 2008 12.10.2008 · Irkutsk Oblast |
| Oskolkov Anatoliy Mikhaylovich b. 21.05.1950 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Vologda Oblast, 2007 11.03.2007 · Vologda Oblast |
| Oskolkov Mikhail Anatolevich b. 18.07.1975 · кандидат с отказом в регистрации · Samovydvizhenie | Regional assembly, Krasnoyarsk Krai, 2011 04.12.2011 · Krasnoyarsk Krai |
| Oskolkova Nina Pankratevna b. 09.02.1950 · кандидат с отказом в регистрации · Samovydvizhenie | Regional assembly, Republic of Buryatia, 2007 02.12.2007 · Republic of Buryatia |
| Osmaev Amin Akhmedovich b. 08.10.1948 · утративший статус выдв. кандидата · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Osmanov Abdurakhman Dalgatovich year of birth not listed · Patriots of Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Osmanov Abdurakhman Osmanovich year of birth not listed · Self-nomination | Regional assembly, Republic of Dagestan, 2003 16.03.2003 · Republic of Dagestan |
| Osmanov Albert Teuchezhovich b. 22.01.1971 · исключенный из списка · United Russia | Regional assembly, Republic of Adygea, 2011 13.03.2011 · Republic of Adygea |
| Osmanov Albert Teuchezhovich b. 22.01.1971 · Withdrawn · Samovydvizhenie | Regional assembly, Republic of Adygea, 2021 19.12.2021 · Republic of Adygea |
| Osmanov Asildar Saidbekovich b. 02.10.1957 · кандидат с отказом в регистрации · Politicheskaya partiya «Narodnyy Soyuz» | State Duma, 2007 02.12.2007 · Russian Federation |
| Osmanov Akhadulla Omarovich b. 08.05.1958 · утративший статус выдв. кандидата · Voters’ group | Regional assembly, Republic of Dagestan, 2007 11.03.2007 · Republic of Dagestan |
