| Orekhov Ilya Petrovich b. 23.06.1978 · Registered · Self-nomination | Regional assembly, Udmurt Republic, 2004 14.03.2004 · Udmurt Republic |
| Oreshin Vadim Petrovich year of birth not listed · Self-nomination | Regional assembly, Nizhny Novgorod Oblast, 2002 31.03.2002 · Nizhny Novgorod Oblast |
| Oreshina Elena Valerevna b. 08.10.1970 · Nominated · Self-nomination | Regional assembly, Republic of Mordovia, 2016 18.09.2016 · Republic of Mordovia |
| Oreshkin Oleg Anatolevich year of birth not listed · Self-nomination | Regional assembly, Moscow, 2001 16.12.2001 · Moscow |
| Oreshkina Tatyana Sergeevna b. 26.09.1980 · Nominated · Self-nomination | Regional assembly, Volgograd Oblast, 2019 08.09.2019 · Volgograd Oblast |
| Oreshko Vladimir Vladimirovich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Oreshkov Aleksandr Borisovich b. 19.11.1964 · Registered · Self-nomination | Regional assembly, Saint Petersburg, 2002 08.12.2002 · Saint Petersburg |
| Oreshnikov Vitaliy Konstantinovich b. 05.07.1945 · Registered · Self-nomination | Regional assembly, Chuvash Republic, 2002 21.07.2002 · Chuvash Republic |
| Oreschenko Pavel Pavlovich b. 10.11.1991 · Nominated · Self-nomination | Regional assembly, Novosibirsk Oblast, 2015 13.09.2015 · Novosibirsk Oblast |
| Orinov Vyacheslav Nikolaevich b. 01.08.1957 · Withdrawn · Self-nomination | Regional assembly, Chuvash Republic, 2002 21.07.2002 · Chuvash Republic |
| Orkish Sergey Nikonovich year of birth not listed · Self-nomination | Regional assembly, Omsk Oblast, 2002 24.03.2002 · Omsk Oblast |
| Orlenko Nikolay Nikolaevich b. 18.02.1973 · Nominated · Self-nomination | Regional assembly, Irkutsk Oblast, 2013 08.09.2013 · Irkutsk Oblast |
| Orlikova Irina Borisovna year of birth not listed · Self-nomination | Regional assembly, Tambov Oblast, 2001 16.12.2001 · Tambov Oblast |
| Orlov Aleksandr Stepanovich b. 29.08.1963 · Registered · Self-nomination | Repeat · Regional assembly, Altai Krai, 2006 12.03.2006 · Altai Krai |
| Orlov Aleksey Anatolevich b. 12.03.1971 · Registered · Self-nomination | By-election · Regional assembly, Moscow, 2004 14.03.2004 · Moscow |
| Orlov Anatoliy Aleksandrovich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Orlov Andrey Igorevich b. 24.01.1983 · Nominated · Self-nomination | Regional assembly, Leningrad Oblast, 2021 19.09.2021 · Leningrad Oblast |
| Orlov Vladimir Aleksandrovich year of birth not listed · Self-nomination | Regional assembly, Tomsk Oblast, 2001 16.12.2001 · Tomsk Oblast |
| Orlov Vladimir Petrovich year of birth not listed · Self-nomination | Regional assembly, Tula Oblast, 2004 03.10.2004 · Tula Oblast |
| Orlov Vladimir Petrovich b. 13.07.1949 · Registered · Self-nomination | Repeat · Regional assembly, Tula Oblast, 2005 27.03.2005 · Tula Oblast |
| Orlov Dmitriy Nikolaevich year of birth not listed · Self-nomination | Regional assembly, Tver Oblast, 2002 09.06.2002 · Tver Oblast |
| Orlov Igor Viktorovich b. 17.01.1970 · Registered · Self-nomination | Regional assembly, Samara Oblast, 2007 11.03.2007 · Samara Oblast |
| Orlov Maksim Gennadevich b. 16.08.1990 · Nominated · Self-nomination | Regional assembly, Republic of Buryatia, 2013 08.09.2013 · Republic of Buryatia |
| Orlov Nikolay Fedorovich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Orlov Petr Vladimirovich b. 04.05.1946 · кандидат с отказом в регистрации · Self-nomination | Regional assembly, Saint Petersburg, 2002 08.12.2002 · Saint Petersburg |
| Orlov Petr Mikhaylovich year of birth not listed · Self-nomination | Regional assembly, Belgorod Oblast, 2001 14.10.2001 · Belgorod Oblast |
| Orlov Petr Petrovich b. 29.07.1950 · Elected deputy · Self-nomination | Regional assembly, Arkhangelsk Oblast, 2000 18.06.2000 · Arkhangelsk Oblast |
| Orlov Robert Ivanovich b. 25.04.1938 · Registered · Self-nomination | By-election · Regional assembly, Chuvash Republic, 2004 04.07.2004 · Chuvash Republic |
| Orlov Roman Anatolevich b. 16.09.1976 · Nominated · Self-nomination | Regional assembly, Rostov Oblast, 2018 09.09.2018 · Rostov Oblast |
| Orlov Sergey Anatolevich b. 18.05.1961 · Nominated · Self-nomination | By-election · Regional assembly, Tver Oblast, 2020 13.09.2020 · Tver Oblast |
| Orlov Stepan Vladimirovich year of birth not listed · Self-nomination | Regional assembly, Moscow, 2001 16.12.2001 · Moscow |
| Orlov Stepan Vladimirovich b. 22.10.1971 · Nominated · Self-nomination | Regional assembly, Moscow, 2019 08.09.2019 · Moscow |
| Orlova Galina Danilovna b. 15.03.1947 · утративший статус выдв. кандидата · Self-nomination | Regional assembly, Astrakhan Oblast, 2006 08.10.2006 · Astrakhan Oblast |
| Orlova Lyudmila Grigorevna b. 03.03.1950 · Registered · Self-nomination | Head, Pskov Oblast, 2000 12.11.2000 · Pskov Oblast |
| Orlova Olga Nikolaevna year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Orlovskiy Aleksey Andreevich b. 13.03.1969 · Nominated · Self-nomination | Regional assembly, Tomsk Oblast, 2021 19.09.2021 · Tomsk Oblast |
| Orlovskiy Aleksey Andreevich b. 13.03.1969 · Nominated · Self-nomination | Regional assembly, Tomsk Oblast, 2016 18.09.2016 · Tomsk Oblast |
| Orlovskiy Arkadiy Arkadevich b. 17.06.1957 · Withdrawn · Self-nomination | Regional assembly, Krasnodar Krai, 2002 24.11.2002 · Krasnodar Krai |
| Orlyanskaya Irina Pavlovna year of birth not listed · Self-nomination | Regional assembly, Stavropol Krai, 2001 16.12.2001 · Stavropol Krai |
| Ornoev Valeriy Stepanovich b. 05.12.1957 · Registered · Self-nomination | Regional assembly, 2002 08.09.2002 |
| Orobets Ivan Nikolaevich b. 22.07.1950 · Nominated · Self-nomination | Regional assembly, Arkhangelsk Oblast, 2013 08.09.2013 · Arkhangelsk Oblast |
| Ortabaev Biynoger Khanapievich b. 30.04.1962 · Registered · Self-nomination | Regional assembly, Karachay-Cherkess Republic, 2004 14.03.2004 · Karachay-Cherkess Republic |
| Orudzhev Yarakhmed Orudzhevich year of birth not listed · Self-nomination | Regional assembly, Republic of Dagestan, 2003 16.03.2003 · Republic of Dagestan |
| Orus-Ool Vladimir Soyanovich b. 17.01.1959 · Registered · Self-nomination | Regional assembly, Tuva Republic, 2006 08.10.2006 · Tuva Republic |
| Oruspay Valeriy Delger-oolovich year of birth not listed · Self-nomination | Regional assembly, Tuva Republic, 2002 02.06.2002 · Tuva Republic |
| Osadchaya Margarita Fedorovna year of birth not listed · Self-nomination | Regional assembly, Belgorod Oblast, 2001 14.10.2001 · Belgorod Oblast |
| Osadchenko Elena Vladimirovna b. 04.09.1979 · Withdrawn · Self-nomination | Regional assembly, Primorsky Krai, 2001 09.12.2001 · Primorsky Krai |
| Osadchiy Valentin Grigorevich b. 18.04.1950 · Nominated · Self-nomination | Regional assembly, Volgograd Oblast, 2014 14.09.2014 · Volgograd Oblast |
| Osadchiy Igor Anatolevich year of birth not listed · Self-nomination | Regional assembly, Sakhalin Oblast, 2004 10.10.2004 · Sakhalin Oblast |
| Osadchiy Mikhail Vasilevich year of birth not listed · Self-nomination | Regional assembly, Bryansk Oblast, 2000 10.12.2000 · Bryansk Oblast |
