| Ognev Anatoliy Petrovich year of birth not listed · CPRF | Regional assembly, Bryansk Oblast, 2004 05.12.2004 · Bryansk Oblast |
| Ognev Sergey Ilich b. 01.10.1959 · Withdrawn · United Russia | Regional assembly, Altai Republic, 2006 12.03.2006 · Altai Republic |
| Ogorylchevskaya Tatyana Vasilevna b. 02.07.1984 · кандидат с отказом в регистрации · Patriots of Russia | Regional assembly, Vologda Oblast, 2007 11.03.2007 · Vologda Oblast |
| Ogul Leonid Anatolevich b. 26.10.1963 · зарег. по проп. и маж. системам · United Russia | Regional assembly, Astrakhan Oblast, 2006 08.10.2006 · Astrakhan Oblast |
| Ogurtsov Petr Ivanovich b. 13.10.1950 · кандидат с отказом в регистрации · Communists of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Okatev Dmitriy Anatolevich year of birth not listed · Yabloko | Regional assembly, Sverdlovsk Oblast, 2002 14.04.2002 · Sverdlovsk Oblast |
| Okladnikov Vladimir Nikolaevich year of birth not listed · LDPR | Regional assembly, Irkutsk Oblast, 2004 10.10.2004 · Irkutsk Oblast |
| Okulskaya Tatyana Anatolevna year of birth not listed · LDPR | State Duma, 2003 07.12.2003 · Russian Federation |
| Okunev Aleksandr Edisonovich b. 1963 · исключенный из списка · United Russia | Regional assembly, Kaluga Oblast, 2025 14.09.2025 · Kaluga Oblast |
| Okuneva Evgeniya Gennadevna b. 30.08.1962 · кандидат с отказом в регистрации · CPRF | Regional assembly, Arkhangelsk Oblast, 2004 19.12.2004 · Arkhangelsk Oblast |
| Oleynik Dmitriy Borisovich year of birth not listed · Rodina | State Duma, 2003 07.12.2003 · Russian Federation |
| Oleynik Yuriy Alekseevich b. 02.12.1940 · кандидат с отказом в регистрации · Communists of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Oleynikov Maksim Igorevich b. 07.11.1981 · кандидат с отказом от мандата · United Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Olennikov Vladimir Grigorevich b. 11.07.1952 · кандидат с отказом в регистрации · LDPR | Repeat · Regional assembly, Tula Oblast, 2005 27.03.2005 · Tula Oblast |
| Omarov Magomed Magomedovich b. 06.03.1954 · утративший статус выдв. кандидата · CPRF | Regional assembly, Republic of Dagestan, 2007 11.03.2007 · Republic of Dagestan |
| Omrynto Petr Konstantinovich b. 10.11.1949 · зарег. по проп. и маж. системам · United Russia | Regional assembly, Chukotka Autonomous Okrug, 2005 25.12.2005 · Chukotka Autonomous Okrug |
| Ondar Vasiliy Dorzhuevich b. 31.10.1945 · кандидат с отказом в регистрации · Party of Pensioners | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Ondar Viktor Chuldumovich b. 04.11.1958 · кандидат с отказом в регистрации · CPRF | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Onufriev Aleksey Aleksandrovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Oorzhak Aleksandr Dotkan-oolovich year of birth not listed · Party of Revival | State Duma, 2003 07.12.2003 · Russian Federation |
| Oorzhak Andrey Burukeyevich b. 22.10.1959 · Withdrawn · United Russia | Repeat · Regional assembly, Tuva Republic, 2007 11.03.2007 · Tuva Republic |
| Oorzhak Mergen Chylbaaevich b. 13.10.1964 · кандидат с отказом в регистрации · United Russia | Repeat · Regional assembly, Tuva Republic, 2007 11.03.2007 · Tuva Republic |
| Oorzhak Oshku-Saar Arakchaaevna b. 27.02.1944 · Withdrawn · United Russia | Regional assembly, Tuva Republic, 2007 11.03.2007 · Tuva Republic |
| Oorzhak Sherig-ool Dizizhikovich b. 24.07.1942 · кандидат с отказом от мандата · United Russia | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Oparin Aleksandr Aleksandrovich year of birth not listed · CPRF | Repeat · Regional assembly, Ulyanovsk Oblast, 2004 05.12.2004 · Ulyanovsk Oblast |
| Opekunov Viktor Semenovich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Orgin Aleksandr Stepanovich year of birth not listed · CPRF | Regional assembly, Ulyanovsk Oblast, 2003 07.12.2003 · Ulyanovsk Oblast |
| Orgolaynen Aleksandr Arovich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Oreshin Vadim Petrovich year of birth not listed · Yabloko | State Duma, 2003 07.12.2003 · Russian Federation |
| Orishev Aleksandr Borisovich year of birth not listed · LDPR | State Duma, 2003 07.12.2003 · Russian Federation |
| Orlov Aleksandr Sergeevich b. 15.03.1979 · кандидат с отказом в регистрации · Communists of Russia | Regional assembly, Chelyabinsk Oblast, 2015 13.09.2015 · Chelyabinsk Oblast |
| Orlov Anatoliy Mikhaylovich year of birth not listed · LDPR | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Orlov Ivan Vasilevich b. 19.07.1938 · кандидат с отказом в регистрации · Party of Pensioners | Regional assembly, Chuvash Republic, 2006 08.10.2006 · Chuvash Republic |
| Orlov Sergey Aleksandrovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Orlova Tatyana Konstantinovna b. 13.02.1952 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Osadchaya Zhannat Doskenovna b. 03.01.1956 · кандидат с отказом в регистрации · A Just Russia | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Osadchaya Irina Valerianovna b. 01.01.1967 · кандидат с отказом в регистрации · Yabloko | Regional assembly, Pskov Oblast, 2007 11.03.2007 · Pskov Oblast |
| Osadchiy Sergey Yurevich b. 10.09.1960 · кандидат с отказом от мандата · United Russia | Regional assembly, Moscow, 2005 04.12.2005 · Moscow |
| Osadchiy Sergey Yurevich year of birth not listed · United Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| 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 |
| Osinkina Olga Vladimirovna year of birth not listed · CPRF | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Osipov Viktor Petrovich year of birth not listed · CPRF | Regional assembly, Tambov Oblast, 2001 16.12.2001 · Tambov Oblast |
| Osiyan Vladimir Vasilevich b. 12.10.1946 · Withdrawn · Rodina | Regional assembly, Kaliningrad Oblast, 2006 12.03.2006 · Kaliningrad Oblast |
| Oskirko Nikolay Nikolaevich year of birth not listed · LDPR | Governor, Irkutsk Oblast, 2001 29.07.2001 · Irkutsk Oblast |
| Osmanov Abdurakhman Dalgatovich year of birth not listed · Patriots of Russia | State Duma, 2003 07.12.2003 · Russian Federation |
| Osmanov Ibragim Magomedovich year of birth not listed · CPRF | State Duma, 2003 07.12.2003 · Russian Federation |
| Osovskiy Aleksandr Stanislavovich b. 22.09.1958 · кандидат с отказом от мандата · United Russia | Regional assembly, Khanty-Mansi Autonomous Okrug, 2006 12.03.2006 · Khanty-Mansi Autonomous Okrug |
| Osovtsov Aleksandr Avraamovich year of birth not listed · Yabloko | State Duma, 2003 07.12.2003 · Russian Federation |
| Ostanin Valeriy Sergeevich year of birth not listed · Yabloko | State Duma, 2003 07.12.2003 · Russian Federation |
| Ostapenko Yuriy Aleksandrovich b. 15.05.1978 · Withdrawn · LDPR | Regional assembly, Belgorod Oblast, 2005 16.10.2005 · Belgorod Oblast |
