| Osmanov Osman Zakaryaevich year of birth not listed · Self-nomination | Regional assembly, Republic of Dagestan, 2003 16.03.2003 · Republic of Dagestan |
| Osmanov Osman Nemetullaevich year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Osmanov Osman Sungurovich year of birth not listed · Self-nomination | Regional assembly, Republic of Dagestan, 2003 16.03.2003 · Republic of Dagestan |
| Osmanov Ubaydula Yusupovich year of birth not listed · Self-nomination | Regional assembly, Republic of Dagestan, 2003 16.03.2003 · Republic of Dagestan |
| Osnovin Sergey Aleksandrovich b. 28.04.1958 · Registered · Self-nomination | Regional assembly, Saint Petersburg, 2002 08.12.2002 · Saint Petersburg |
| Osnovskiy Valeriy Aleksandrovich b. 27.10.1963 · Registered · Self-nomination | Regional assembly, Pskov Oblast, 2002 31.03.2002 · Pskov Oblast |
| Osokin Aleksandr Matveevich b. 05.02.1948 · Registered · Self-nomination | Regional assembly, Altai Republic, 2002 19.05.2002 · Altai Republic |
| Osokin Anatoliy Yakovlevich b. 18.05.1948 · Elected deputy · Self-nomination | Regional assembly, Republic of Adygea, 2001 04.03.2001 · Republic of Adygea |
| Osokin Anatoliy Yakovlevich b. 18.05.1948 · Elected deputy · Self-nomination | Regional assembly, Republic of Adygea, 2006 12.03.2006 · Republic of Adygea |
| Osokin Valeriy Vladimirovich year of birth not listed · Self-nomination | Regional assembly, Nizhny Novgorod Oblast, 2002 31.03.2002 · Nizhny Novgorod Oblast |
| Osokin Vladimir Fedorovich year of birth not listed · Self-nomination | Regional assembly, Smolensk Oblast, 2002 19.05.2002 · Smolensk Oblast |
| Osokin Roman Viktorovich year of birth not listed · Self-nomination | Regional assembly, Moscow Oblast, 2001 16.12.2001 · Moscow Oblast |
| Osokina Irina Lvovna year of birth not listed · Self-nomination | Regional assembly, Moscow, 2001 16.12.2001 · Moscow |
| Ospischeva Lyubov Sharipovna year of birth not listed · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Ostanin Aleksandr Viktorovich year of birth not listed · Self-nomination | Regional assembly, Pskov Oblast, 2002 29.09.2002 · Pskov Oblast |
| Ostanin Aleksey Gennadevich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Ostanin Vasiliy Vladimirovich b. 18.05.1974 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2006 08.10.2006 · Primorsky Krai |
| Ostanin Viktor Alekseevich b. 01.01.1951 · Registered · Self-nomination | State Duma, 2003 07.12.2003 · Russian Federation |
| Ostanin Vyacheslav Afanasevich b. 12.12.1945 · Registered · Self-nomination | Regional assembly, Udmurt Republic, 2003 06.04.2003 · Udmurt Republic |
| Ostankova Natalya Sergeevna year of birth not listed · Self-nomination | Regional assembly, Kaluga Oblast, 2000 12.11.2000 · Kaluga Oblast |
| Ostankova Natalya Sergeevna b. 10.04.1952 · Registered · Self-nomination | Regional assembly, Kaluga Oblast, 2004 14.11.2004 · Kaluga Oblast |
| Ostapenko Aleksey Sergeevich year of birth not listed · Self-nomination | Regional assembly, Tula Oblast, 2000 01.10.2000 · Tula Oblast |
| Ostapenko Anton Yurevich b. 27.08.1966 · Withdrawn · Self-nomination | Repeat · Regional assembly, Saint Petersburg, 2005 13.03.2005 · Saint Petersburg |
| Ostapenko Valentina Sergeevna b. 20.12.1959 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2006 08.10.2006 · Primorsky Krai |
| Ostapenko Vladimir Tikhonovich year of birth not listed · Self-nomination | Regional assembly, Kurgan Oblast, 2000 26.11.2000 · Kurgan Oblast |
| Ostapenko Evgeniy Dmitrievich b. 12.01.1951 · Registered · Self-nomination | Governor, Khanty-Mansi Autonomous Okrug, 2000 26.03.2000 · Khanty-Mansi Autonomous Okrug |
| Ostapchuk Vladimir Fedorovich year of birth not listed · Self-nomination | Regional assembly, Leningrad Oblast, 2001 16.12.2001 · Leningrad Oblast |
| Ostapyuk Vladimir Nikolaevich b. 14.03.1960 · Nominated · Self-nomination | Regional assembly, Primorsky Krai, 2016 18.09.2016 · Primorsky Krai |
| Ostasevich Vladimir Aleksandrovich b. 17.11.1957 · Registered · Self-nomination | Regional assembly, Kirov Oblast, 2001 25.03.2001 · Kirov Oblast |
| Ostashenkov Pavel Ivanovich b. 20.06.1966 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2000 08.10.2000 · Mari El Republic |
| Ostashko Ruslan Stanislavovich b. 18.02.1979 · Nominated · Self-nomination | Regional assembly, Sevastopol, 2019 08.09.2019 · Sevastopol |
| Ostashko Ruslan Stanislavovich b. 1979 · отказ в регистрации · Self-nomination | Regional assembly, Sevastopol, 2019 08.09.2019 · Sevastopol |
| Ostashuk Roman Vasilevich year of birth not listed · Self-nomination | Regional assembly, Bryansk Oblast, 2000 10.12.2000 · Bryansk Oblast |
| Ostrenko Sergey Mikhaylovich year of birth not listed · Self-nomination | Regional assembly, Kaluga Oblast, 2000 12.11.2000 · Kaluga Oblast |
| Ostrovskiy Aleksandr Nikolaevich b. 08.11.1943 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2000 03.12.2000 · Mari El Republic |
| Ostrovskiy Aleksandr Nikolaevich b. 08.11.1943 · Registered · Self-nomination | Regional assembly, Mari El Republic, 2000 08.10.2000 · Mari El Republic |
| Ostrovskiy Valeriy Vladimirovich b. 12.07.1967 · Registered · Self-nomination | Regional assembly, Saratov Oblast, 2004 14.03.2004 · Saratov Oblast |
| Ostrovskiy Vitaliy Nikolaevich b. 01.08.1982 · кандидат с отказом в регистрации · Self-nomination | Regional assembly, Tyumen Oblast, 2007 11.03.2007 · Tyumen Oblast |
| Ostrovskiy Evgeniy Valerevich b. 17.03.1984 · Nominated · Self-nomination | Regional assembly, Kamchatka Krai, 2016 18.09.2016 · Kamchatka Krai |
| Ostrovskiy Nikolay Vladimirovich year of birth not listed · Self-nomination | Regional assembly, Kirov Oblast, 2001 25.03.2001 · Kirov Oblast |
| Ostrovskiy Oleg Aleksandrovich b. 24.07.1980 · Nominated · Self-nomination | Regional assembly, Tomsk Oblast, 2016 18.09.2016 · Tomsk Oblast |
| Ostrovskiy Pavel Anatolevich b. 16.04.1967 · Registered · Self-nomination | Regional assembly, Primorsky Krai, 2001 09.12.2001 · Primorsky Krai |
| Ostroushko Valentina Viktorovna b. 16.05.1965 · Nominated · Self-nomination | Regional assembly, Oryol Oblast, 2021 19.09.2021 · Oryol Oblast |
| Ostroushko Valentina Viktorovna b. 16.05.1965 · Nominated · Self-nomination | Regional assembly, Oryol Oblast, 2021 19.09.2021 · Oryol Oblast |
| Ostroushko Vasiliy Ivanovich year of birth not listed · Self-nomination | Regional assembly, Voronezh Oblast, 2001 25.03.2001 · Voronezh Oblast |
| Ostroushko Tatyana Ivanovna b. 04.12.1954 · Registered · Self-nomination | Regional assembly, Yaroslavl Oblast, 2000 26.03.2000 · Yaroslavl Oblast |
| Ostryagin Anatoliy Ivanovich b. 24.02.1950 · Elected deputy · Self-nomination | Regional assembly, Yamalo-Nenets Autonomous Okrug, 2000 26.03.2000 · Yamalo-Nenets Autonomous Okrug |
| Oskin Aleksandr Petrovich year of birth not listed · Self-nomination | Regional assembly, Tula Oblast, 2000 01.10.2000 · Tula Oblast |
| Oskin Petr Petrovich b. 12.07.1959 · Withdrawn · Self-nomination | Regional assembly, Murmansk Oblast, 2007 11.03.2007 · Murmansk Oblast |
| Osyak Aleksandr Evgenevich b. 16.05.1989 · Nominated · Self-nomination | Regional assembly, Rostov Oblast, 2018 09.09.2018 · Rostov Oblast |
