| Oorzhak Orlan Dazhievich b. 08.01.1974 · Nominated · Party of Growth | Regional assembly, Tuva Republic, 2019 08.09.2019 · Tuva Republic |
| Oorzhak Orlan Dazhievich b. 08.01.1974 · Nominated · Party of Growth | Regional assembly, Tuva Republic, 2019 08.09.2019 · Tuva Republic |
| Oorzhak Renat Chadambaevich b. 27.10.1980 · Nominated · A Just Russia | By-election · Regional assembly, Tuva Republic, 2020 13.09.2020 · Tuva Republic |
| Oorzhak Rolan Chadambaevich b. 18.12.1981 · Nominated · United Russia | Regional assembly, Tuva Republic, 2024 08.09.2024 · Tuva Republic |
| Oorzhak Selenga Andreevna b. 05.01.1987 · Nominated · A Just Russia | Regional assembly, Tuva Republic, 2024 08.09.2024 · Tuva Republic |
| Oorzhak Chash-ool Sanaaevich b. 06.09.1949 · Nominated · United Russia | Regional assembly, Tuva Republic, 2014 14.09.2014 · Tuva Republic |
| Oorzhak Chechen-ool Eker-oolovich b. 21.03.1965 · Nominated · A Just Russia | Regional assembly, Tuva Republic, 2024 08.09.2024 · Tuva Republic |
| Oorzhak Chechen-ool Eker-oolovich b. 21.03.1965 · Nominated · A Just Russia | Regional assembly, Tuva Republic, 2019 08.09.2019 · Tuva Republic |
| Oorzhak Chechen-ool Eker-oolovich b. 21.03.1965 · Nominated · A Just Russia | Regional assembly, Tuva Republic, 2019 08.09.2019 · Tuva Republic |
| Oorzhak Yuriy Kuvuskaachyevich b. 14.12.1975 · Nominated · United Russia | Regional assembly, Tuva Republic, 2019 08.09.2019 · Tuva Republic |
| Opalev Maksim Aleksandrovich b. 04.04.1979 · Nominated · United Russia | Regional assembly, Volgograd Oblast, 2014 14.09.2014 · Volgograd Oblast |
| Opaleva Yuliya Leonidovna b. 03.02.1982 · Nominated · United Russia | Regional assembly, Smolensk Oblast, 2023 10.09.2023 · Smolensk Oblast |
| Opalenko Anatoliy Andreevich b. 18.11.1959 · Nominated · United Russia | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Oparin Vadim Viktorovich b. 27.09.1954 · Nominated · Party of Pensioners | Regional assembly, Tver Oblast, 2021 19.09.2021 · Tver Oblast |
| Oparin Vladimir Viktorovich b. 01.02.1946 · Nominated · CPRF | Regional assembly, Kaluga Oblast, 2015 13.09.2015 · Kaluga Oblast |
| Oparin Ivan Andreevich b. 22.03.1988 · Nominated · Communists of Russia | Regional assembly, Udmurt Republic, 2017 10.09.2017 · Udmurt Republic |
| Oparin Mark Vasilevich b. 15.03.1981 · Nominated · A Just Russia | Regional assembly, Udmurt Republic, 2017 10.09.2017 · Udmurt Republic |
| Oparin Sergey Petrovich b. 1982 · Nominated · United Russia | Regional assembly, Kirov Oblast, 2026 20.09.2026 · Kirov Oblast |
| Oparina Galina Valentinovna b. 1949 · Nominated · Communists of Russia | Regional assembly, Kirov Oblast, 2026 20.09.2026 · Kirov Oblast |
| Oparina Darya Vladimirovna b. 04.06.1993 · Nominated · CPRF | Regional assembly, Kaluga Oblast, 2015 13.09.2015 · Kaluga Oblast |
| Oparyshev Stepan Stepanovich b. 26.01.1987 · Nominated · LDPR | Regional assembly, Kaluga Oblast, 2020 13.09.2020 · Kaluga Oblast |
| Opeykina Tatyana Aleksandrovna b. 17.03.1960 · Nominated · Party of Pensioners | Regional assembly, Penza Oblast, 2017 10.09.2017 · Penza Oblast |
| Opekhtin Mikhail Ilich b. 14.09.1954 · Nominated · United Russia | Regional assembly, Arkhangelsk Oblast, 2018 09.09.2018 · Arkhangelsk Oblast |
| Opimakh Violetta Anatolevna b. 1982 · Nominated · United Russia | Regional assembly, Tambov Oblast, 2026 20.09.2026 · Tambov Oblast |
| Oplachko Nikolay Nikolaevich b. 1983 · Nominated · A Just Russia | Regional assembly, Orenburg Oblast, 2026 20.09.2026 · Orenburg Oblast |
| Oplachko Nikolay Nikolaevich b. 25.05.1983 · Nominated · A Just Russia | Regional assembly, Orenburg Oblast, 2021 19.09.2021 · Orenburg Oblast |
| Oplachko Nikolay Nikolaevich b. 1983 · Nominated · A Just Russia | Regional assembly, Orenburg Oblast, 2026 20.09.2026 · Orenburg Oblast |
| Oplev Aleksandr Vladislavovich b. 04.10.1985 · Nominated · LDPR | Regional assembly, Mari El Republic, 2014 14.09.2014 · Mari El Republic |
| Oplev Aleksandr Vladislavovich b. 04.10.1985 · Nominated · LDPR | Regional assembly, Mari El Republic, 2014 14.09.2014 · Mari El Republic |
| Opletin Vladimir Sergeevich b. 24.11.1956 · Nominated · A Just Russia | Regional assembly, Kemerovo Oblast – Kuzbass, 2018 09.09.2018 · Kemerovo Oblast – Kuzbass |
| Opoyaskin Evgeniy Nikolaevich b. 25.10.1979 · Nominated · CPRF | Regional assembly, Vologda Oblast, 2021 19.09.2021 · Vologda Oblast |
| Opoyaskin Evgeniy Nikolaevich b. 25.10.1979 · Nominated · CPRF | Regional assembly, Vologda Oblast, 2021 19.09.2021 · Vologda Oblast |
| Oprokidnev Aleksey Viktorovich b. 29.03.1987 · Nominated · Party of Pensioners | Regional assembly, Orenburg Oblast, 2021 19.09.2021 · Orenburg Oblast |
| Oprokidnev Aleksey Viktorovich b. 1987 · Nominated · Party of Pensioners | Regional assembly, Orenburg Oblast, 2026 20.09.2026 · Orenburg Oblast |
| Oprokidneva Natalya Vasilevna b. 1989 · Nominated · Party of Pensioners | Regional assembly, Orenburg Oblast, 2026 20.09.2026 · Orenburg Oblast |
| Oralov Andrey Lvovich b. 09.03.1983 · Nominated · Patriots of Russia | Regional assembly, Kostroma Oblast, 2015 13.09.2015 · Kostroma Oblast |
| Oralova Sofya Andreevna b. 26.02.1998 · Nominated · LDPR | Regional assembly, Ivanovo Oblast, 2023 10.09.2023 · Ivanovo Oblast |
| Oranicheva Lyudmila Ivanovna b. 15.07.1951 · Nominated · Yabloko | Regional assembly, Khabarovsk Krai, 2005 11.12.2005 · Khabarovsk Krai |
| Orvacheva Svetlana Nikolaevna b. 12.10.1957 · Nominated · A Just Russia | Regional assembly, Republic of Adygea, 2021 19.09.2021 · Republic of Adygea |
| Orgeeva Marina Eduardovna b. 21.09.1959 · Nominated · United Russia | Regional assembly, Kaliningrad Oblast, 2016 18.09.2016 · Kaliningrad Oblast |
| Orgeeva Marina Eduardovna b. 21.09.1959 · Nominated · United Russia | Regional assembly, Kaliningrad Oblast, 2016 18.09.2016 · Kaliningrad Oblast |
| Orgeeva Marina Eduardovna b. 21.09.1959 · Nominated · United Russia | Regional assembly, Kaliningrad Oblast, 2021 19.09.2021 · Kaliningrad Oblast |
| Orda Mikhail Sergeevich b. 23.03.1982 · Nominated · Party of Pensioners | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
| Orda Mikhail Sergeevich b. 23.03.1982 · Nominated · Party of Pensioners | Regional assembly, Krasnoyarsk Krai, 2021 19.09.2021 · Krasnoyarsk Krai |
| Orda Yuriy Alekseevich b. 11.11.1987 · Nominated · United Russia | Regional assembly, Republic of Bashkortostan, 2023 10.09.2023 · Republic of Bashkortostan |
| Ordashev Aleksandr Zalimkhanovich b. 25.12.1944 · Nominated · Patriots of Russia | Regional assembly, Kabardino-Balkarian Republic, 2014 14.09.2014 · Kabardino-Balkarian Republic |
| Ordasheva Zoya Tunovna b. 15.08.1956 · Nominated · Patriots of Russia | Regional assembly, Kabardino-Balkarian Republic, 2014 14.09.2014 · Kabardino-Balkarian Republic |
| Ordasheva Madina Aleksandrovna b. 11.02.1988 · Nominated · Patriots of Russia | Regional assembly, Kabardino-Balkarian Republic, 2014 14.09.2014 · Kabardino-Balkarian Republic |
| Ordashov Aleksandr Sultanovich b. 04.11.1995 · Nominated · United Russia | Regional assembly, Arkhangelsk Oblast, 2018 09.09.2018 · Arkhangelsk Oblast |
| Ordenov Gennadiy Ivanovich b. 04.09.1957 · Nominated · United Russia | Regional assembly, Astrakhan Oblast, 2021 19.09.2021 · Astrakhan Oblast |
