| Orlova Alla Romanovna b. 07.07.1985 · Nominated · Voters’ group | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Orlova Alla Sergeevna b. 11.12.1979 · Nominated · Voters’ group | Regional assembly, Belgorod Oblast, 2015 13.09.2015 · Belgorod Oblast |
| Orlova Valentina Sergeevna b. 21.12.1986 · Nominated · Voters’ group | Regional assembly, Republic of Khakassia, 2018 09.09.2018 · Republic of Khakassia |
| Orlova Ekaterina Yurevna b. 21.04.1994 · Nominated · Voters’ group | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Orlova Zhakkelina Eduardovna b. 08.12.1966 · Nominated · Voters’ group | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |
| Orlova Lidiya Aleksandrovna year of birth not listed · Voters’ group | Regional assembly, Ulyanovsk Oblast, 2003 07.12.2003 · Ulyanovsk Oblast |
| Orlova Olga Aleksandrovna year of birth not listed · Voters’ group | Regional assembly, Bryansk Oblast, 2004 05.12.2004 · Bryansk Oblast |
| Orlova Svetlana Viktorovna b. 18.09.1969 · Nominated · Voters’ group | Regional assembly, Republic of Bashkortostan, 2018 09.09.2018 · Republic of Bashkortostan |
| Orlova Tatyana Aleksandrovna b. 11.01.1951 · Nominated · Voters’ group | Regional assembly, Sakhalin Oblast, 2017 10.09.2017 · Sakhalin Oblast |
| Orlovskiy Vitaliy Stanislavovich b. 15.05.1966 · Nominated · Voters’ group | Regional assembly, Yaroslavl Oblast, 2013 08.09.2013 · Yaroslavl Oblast |
| Orlovskiy Sergey Nikolaevich b. 24.08.1943 · Nominated · Voters’ group | Regional assembly, Krasnoyarsk Krai, 2016 18.09.2016 · Krasnoyarsk Krai |
| Ortanova Marina Muradinovna b. 26.08.1964 · Registered · Voters’ group | Regional assembly, Kabardino-Balkarian Republic, 2003 07.12.2003 · Kabardino-Balkarian Republic |
| Orus-Ool Vladimir Soyanovich b. 17.01.1959 · Registered · Voters’ group | Regional assembly, Tuva Republic, 2002 02.06.2002 · Tuva Republic |
| Orus-Ool Vladimir Soyanovich b. 17.01.1959 · Elected deputy · Voters’ group | Repeat · Regional assembly, Tuva Republic, 2002 23.06.2002 · Tuva Republic |
| Orus-ool Valeriy Vladimirovich b. 15.04.1984 · Nominated · Voters’ group | Regional assembly, Tuva Republic, 2014 14.09.2014 · Tuva Republic |
| Orus-ool Vladimir Soyanovich b. 17.01.1959 · Nominated · Voters’ group | Regional assembly, Tuva Republic, 2014 14.09.2014 · Tuva Republic |
| Ortsuev Khasan Umarovich b. 12.05.1953 · Registered · Voters’ group | Regional assembly, Chechen Republic, 2005 27.11.2005 · Chechen Republic |
| Osadchaya Zhannat Doskenovna b. 03.01.1956 · Registered · Voters’ group | Regional assembly, Pskov Oblast, 2002 31.03.2002 · Pskov Oblast |
| Osadchiy Nikolay Vitalevich b. 12.09.1991 · Nominated · Voters’ group | Regional assembly, Magadan Oblast, 2020 13.09.2020 · Magadan Oblast |
| Osadchiy Nikolay Vitalevich b. 12.09.1991 · Nominated · Voters’ group | Regional assembly, Kaluga Oblast, 2020 13.09.2020 · Kaluga Oblast |
| Osadchiy Nikolay Vitalevich b. 12.09.1991 · Nominated · Voters’ group | Regional assembly, Komi Republic, 2020 13.09.2020 · Komi Republic |
| Oseledets Anatoliy Danilovich year of birth not listed · Voters’ group | State Duma, 2003 07.12.2003 · Russian Federation |
| Osetrova Margarita Alekseevna b. 11.01.1988 · Nominated · Voters’ group | Regional assembly, Astrakhan Oblast, 2016 18.09.2016 · Astrakhan Oblast |
| Osikova Irina Petrovna b. 20.01.1969 · Registered · Voters’ group | Regional assembly, Republic of Adygea, 2006 12.03.2006 · Republic of Adygea |
| 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 |
| Osintsev Mikhail Vladimirovich b. 09.06.1976 · Registered · Voters’ group | Regional assembly, Tyumen Oblast, 2007 11.03.2007 · Tyumen Oblast |
| Osintseva Natalya Nikolaevna b. 06.06.1973 · Nominated · Voters’ group | Regional assembly, Novosibirsk Oblast, 2020 13.09.2020 · Novosibirsk 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 Andrey Vasilevich b. 16.03.1973 · Nominated · Voters’ group | Regional assembly, Rostov Oblast, 2023 10.09.2023 · Rostov Oblast |
| Osipov Andrey Vasilevich b. 16.03.1973 · Nominated · Voters’ group | Regional assembly, Rostov Oblast, 2023 10.09.2023 · Rostov Oblast |
| Osipov Andrey Gennadevich b. 22.04.1964 · Elected deputy · Voters’ group | Regional assembly, Altai Krai, 2004 14.03.2004 · Altai Krai |
| Osipov Vitaliy Nikolaevich b. 05.04.1982 · Nominated · Voters’ group | Regional assembly, Belgorod Oblast, 2015 13.09.2015 · Belgorod Oblast |
| Osipov Vitaliy Nikolaevich b. 05.04.1982 · Nominated · Voters’ group | Regional assembly, Belgorod Oblast, 2015 13.09.2015 · Belgorod Oblast |
| Osipov Vladimir Arshaverovich b. 15.09.1960 · Nominated · Voters’ group | Regional assembly, Sevastopol, 2014 14.09.2014 · Sevastopol |
| Osipov Egor Aleksandrovich b. 07.09.1980 · Registered · Voters’ group | Regional assembly, Krasnoyarsk Krai, 2007 15.04.2007 · Krasnoyarsk Krai |
| Osipov Nikolay Andreevich b. 29.09.1947 · Registered · Voters’ group | Regional assembly, Arkhangelsk Oblast, 2004 19.12.2004 · Arkhangelsk Oblast |
| Osipov Oleg Borisovich b. 25.04.1979 · Registered · Voters’ group | Regional assembly, Chuvash Republic, 2006 08.10.2006 · Chuvash Republic |
| Osipov Sergey Vladimirovich b. 23.07.1987 · Nominated · Voters’ group | Regional assembly, Kaluga Oblast, 2020 13.09.2020 · Kaluga Oblast |
| Osipov Sergey Grigorevich b. 19.01.1956 · Registered · Voters’ group | Regional assembly, Kaluga Oblast, 2004 14.11.2004 · Kaluga Oblast |
| Osipov Sergey Grigorevich b. 19.01.1956 · Registered · Voters’ group | Regional assembly, Kaluga Oblast, 2004 14.11.2004 · Kaluga Oblast |
| Osipova Irina Efimovna b. 23.01.1960 · Nominated · Voters’ group | Regional assembly, Sevastopol, 2014 14.09.2014 · Sevastopol |
| Osipova Lyudmila Gennadevna b. 27.10.1958 · Nominated · Voters’ group | Regional assembly, Vladimir Oblast, 2013 08.09.2013 · Vladimir Oblast |
| Osipova Yana Sergeevna b. 03.08.1985 · Nominated · Voters’ group | Regional assembly, Magadan Oblast, 2020 13.09.2020 · Magadan Oblast |
| Osipova Yana Sergeevna b. 03.08.1985 · Nominated · Voters’ group | Regional assembly, Ryazan Oblast, 2020 13.09.2020 · Ryazan Oblast |
| Osipyan Erik Yurevich b. 11.03.1967 · Nominated · Voters’ group | Regional assembly, Kostroma Oblast, 2015 13.09.2015 · Kostroma Oblast |
| Osipyants Sergey Grigorevich b. 01.09.1959 · Nominated · Voters’ group | Regional assembly, Magadan Oblast, 2015 13.09.2015 · Magadan Oblast |
| Ositis Anastasiya Petrovna b. 1949 · Nominated · Voters’ group | Regional assembly, Sevastopol, 2019 08.09.2019 · Sevastopol |
| Oskanov Magomed Katsievich year of birth not listed · Voters’ group | Regional assembly, Republic of Ingushetia, 2003 07.12.2003 · Republic of Ingushetia |
| Oskolkov Anatoliy Mikhaylovich b. 21.05.1950 · кандидат с отказом в регистрации · Voters’ group | Regional assembly, Vologda Oblast, 2007 11.03.2007 · Vologda Oblast |
| Oskolkova Darya Nikolaevna b. 08.02.1989 · Nominated · Voters’ group | Regional assembly, Amur Oblast, 2016 18.09.2016 · Amur Oblast |