This list includes 20 Russian boy names that start with O, from “Oktavian” to “Ovsey”. Many are traditional, with origins in saints, Slavic roots, or classical borrowings. You can use them for baby naming, character development, or family research.
Russian boy names that start with O are male given names used in Russian-speaking communities. A notable example, Oleg, carries Viking-era royal associations and widespread modern familiarity.
Below you’ll find the table with Name, Cyrillic, Pronunciation, Meaning / Origin, and Notes.
Name: The standard Latin transliteration of the Russian name, useful for searching and everyday use.
Cyrillic: The original Russian spelling, so you can recognize the name in documents and signage.
Pronunciation: A simple respelling and optional IPA help you say the name correctly and confidently.
Meaning / Origin: A concise one-line explanation of the name’s root, history, and typical cultural associations.
Notes: Short details on diminutives, historical usage, or regional popularity that help your selection process.
Russian boy names that start with O
Name (Latin transliteration)
Cyrillic
Pronunciation
Meaning/Origin
Oleg
Олег
OH-leg (/ˈolʲɛɡ/)
Old Norse Helgi, “holy” or “blessed”
Osip
Осип
oh-SEEP (/ɐˈsʲip/)
Russian form of Joseph, “God will add”
Oskar
Оскар
OS-kar (/ˈoskar/)
Germanic, “spear of fame”
Orest
Орест
oh-REST (/ɔˈrʲest/)
Greek Orestes, “mountain dweller”
Onisim
Онисим
oh-NEE-sim (/ɐnʲiˈsʲim/)
Greek Onesimus, “useful, profitable”
Onufriy
Онуфрий
oh-NOO-friy (/ɐˈnufrʲij/)
Coptic/Greek Onnouphris, “he who is satisfied”
Olimpiy
Олимпий
oh-LIM-pee (/ɐˈlʲimpʲij/)
From Greek “Olympus” (mountain/seat of gods)
Olimp
Олимп
OH-limp (/ˈolʲimp/)
From Greek “Olympus”
Ovsey
Овсей
ov-SAY (/ɐvˈsej/)
Hebrew/Gk. form of Hosea, “saved by God”
Oktay
Октай
ok-TAI (/okˈtaj/)
Turkic, “brave” or “falcon”
Oktavian
Октавиан
ok-ta-VEE-an (/ɐktɐˈvʲan/)
Latin Octavianus, “eighth”
Orfey
Орфей
OR-fey (/ˈorfʲej/)
Greek Orpheus, legendary musician
Osman
Осман
os-MAHN (/ɐsˈman/)
Arabic/Turkic, historical dynastic name”
Ovanes
Ованес
oh-vah-NES (/ɐvɐˈnʲes/)
Armenian form of John
Ostap
Остап
oh-STAP (/ɐˈstap/)
Ukrainian form of Eustace, “steadfast”
Ostromir
Остромир
os-tro-MEER (/ɐstrɐˈmir/)
Old Slavic, “sharp/strong peace”
Orion
Орион
oh-ree-ON (/oˈrʲon/)
Greek constellation/god name
Osvald
Освальд
OS-vald (/ˈosvalʲd/)
Germanic Oswald, “god-ruler”
Olgerd
Ольгерд
ol-GYERD (/ˈolʲɡerd/)
Lithuanian/Old East Slavic (Algirdas)
Onisifor
Онисифор
o-nee-SEE-for (/ɐnʲɪˈsʲifər/)
Greek Onesiphorus, “bringing profit”
Descriptions
Oleg
Historic Old Rus’ name (Prince Oleg). Very familiar in Russia; popular across eras. Diminutives Olezha, Olegushka; common in literature and media.
Osip
Classic, somewhat archaic Russian name used in 18th–19th centuries and literature (e.g., Gogol). Diminutive Osya; appears in church calendars historically.
Oskar
Borrowed Western name used in Russia since the 19th century. Urban and artistic families use it; diminutive Oskar or Osi.
Orest
Literary and classical name of Greek origin; appears in Orthodox calendars. Used by intellectual and artistic circles; diminutives Restya, Orestik.
Onisim
Biblical/Orthodox name, rare but attested in church records. Diminutives Onya, Nisim; saint commemorated in Orthodox tradition.
Onufriy
Ancient monastic name with strong Orthodox ties. Archaic but still found in rural and religious families; diminutive Nufrya.
Olimpiy
Classical/Christian name (Olympius). Rare; sometimes shortened to Olimp. Has a saint day in Orthodox calendars.
Olimp
Modern/short form of Олимпий or inspired by Olympus. Uncommon; occasionally chosen for artistic or athletic connotations.
Ovsey
Old Russian biblical name, archaic but recorded historically. Diminutive Ovsya; appears in folk and religious contexts.
Oktay
Common among Tatars, Bashkirs and other Turkic peoples in Russia. Regularly used in multiethnic regions; forms Oktai.
Oktavian
Rare classical name, used occasionally in Russian-speaking families; diminutive Okta or Vian.
Orfey
Literary/mythological name with artistic connotations. Rarely used; favored by creative families. Diminutive Orfy.
Osman
Widely used among Muslim communities in Russia (Tatars, Bashkirs, Caucasus). Traditional in those cultures; common local diminutives vary.
Ovanes
Common among Armenians in Russia; appears in Russian civil records in Armenian families. Diminutives Vane, Vanyo.
Ostap
Popular in Ukraine and known in Russia through literature (Ostap Bender). Used culturally; diminutive Stap or Ostapik.
Ostromir
Historical Old Rus’ name (Ostromir Gospel patron). Archaic; found in chronicles and onomastic studies.
Orion
Modern mythological name occasionally used by parents inspired by astronomy and mythology. Rare; straightforward diminutive Ron.
Osvald
Borrowed Germanic name, historically attested in Russia. Rare today; used in some noble or northern families.
Olgerd
Historic name appearing in East Slavic chronicles (Grand Duke Algirdas). Very rare in modern usage; chiefly historical.
Onisifor
Orthodox saint name, archaic and rare. Appears in church calendars and historical documents; diminutive Nisyfor.
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