When we expect a baby, a series of decision-making for his future begins. One of them is to choose what name it will bear, so the parents, and sometimes the rest of the family such as grandparents and siblings, participate in the list of possible names that will be chosen for the baby.
Sometimes within a family there is a certain predilection for a particular letter, so continuing with our special tour of baby names from A to Z, we share 101 boy names that begin with the letter O.
- Oakley: of English origin, it means “oak clearing”.
- Oan: of Breton origin, it means “lamb”.
- Obadiah: of Hebrew origin, it means “servant of God”.
- Obadias: variant of Obadiah.
- Obama: of African origin, means “bent”.
- Oberon: Variant of Auberon, meaning “bear-like”.
- Obi: of Nigerian origin, it means “heart”.
- Oceanus: in Greek mythology, it was the Titan who personified the ocean.
- Octa: diminutive of Octavio.
- Octave: French variant of Octavio.
- Octavio : of Latin origin, it means “the one who is born in eighth place”.
- Ode: of Egyptian origin, it means “of the way”.
- Odell: of English origin, it means “from the valley”.
- Odhran: Irish name meaning “small and pale green”.
- Odi: of Anglo-Saxon origin, it means “defender of the rich”.
- Odilio: of Germanic origin, it means “possessor of enormous wealth”.
- Odilon: French variant of Odilio.
- Odin: name of the supreme god of Norse mythology.
- Odion: of Egyptian origin, it means “born of twins”.
- Odissan: of African origin, it means “one who was born in the thirteenth place”.
- Odysseus: he was the hero of “The Odyssey”, by the Greek poet Homer, and it means “choleric”.
- Odón : Galician variant of Oto, which is of Germanic origin and means “wealth”.
- Ogden: of English origin, it means “of the valley of the oak”.
- Ogima : of Chippewa origin, it means “chief, warrior leader”.
- Ogun: of African origin, it means “god of war”.
- Ohan: Armenian variant of John, meaning “God is merciful.”
- Ohara: of Japanese origin, it means “small field”.
- Oinarri: Basque name that means “foundation”.
- Oisin: of Irish origin, it means “fawn”.
- Okello: of African origin, it means “born after twins”.
- Okpara: of Egyptian origin, it means “firstborn”.
- Olaf : of Norwegian origin, it means “heir”, “legacy of the ancestors”.
- Olayo: variant of Eulalio, which means “who speaks well.”
- Oleander: derives from the Greek rhododendron , which means “laurel”.
- Oleg: of Russian origin, it means “holy, sacred”.
- Olegario: it is derived from the German helig-gair , which means “illustrious people”.
- Olympus: referring to Mount Olympus in Greek mythology.
- Olin: of Swedish origin, it means “inherit”.
- Oliver: of English origin that derives from the French name Olivier, it means “olive tree” and symbolizes wisdom and peace.
- Oliverio : of Germanic origin, it means “army of elves”.
- Olivier: French form of Oliver.
- Ollie: short for Oliver.
- Olsen: of Norwegian origin, it means “son of Olaf”.
- Olson: of Norwegian origin, it means “son of Olaf”.
- Olufemi: of Yoruba origin, it means “the Lord loves me”.
- Omar: of Arab origin, it means “the one of long life, first-born”.
- Omari: of Egyptian origin, it means “born high”.
- Omarion: Swahili variant of Omar.
- Omer: of Hebrew origin, it means “sheaf of corn”.
- Omri: of Hebrew origin, it means “my sheaf”.
- Onesimus: of Greek origin, it means “the one who helps”.
- Onni: of Finnish origin, it means “happiness, luck”.
- Onuris: of Egyptian origin, it means “the distant returns”.
- Orel: of Russian origin, it means “eagle”.
- Pray: of Hebrew origin, it means “laurel tree”.
- Orencio: means “oriental”.
- Orentzi: Basque equivalent of Orencio.
- Orestes: of Greek origin, it means “from the mountains”.
- Orev: of Hebrew origin, it means “raven”.
- Orpheus: hero and musician in Greek mythology.
- Ori: of Hebrew origin, it means “my light”.
- Oriel: of Hebrew origin, it means “my light is God”.
- Oriol: Catalan name derived from the Latin Aureolus , means “golden”.
- Orion: in Greek mythology he was a hunter and there is a constellation named in his honor.
- Orlando : of Germanic origin, it means “country of gold”.
- Orsino: Italian variant of Orson.
- Orson : of Latin origin means, “bear”, and by extension “strong like a bear”.
- Ortzadar: Basque name that means “rainbow”.
- Osahar: of Egyptian origin, it means “God listens to me”.
- Osaze: of Egyptian origin, it means “loved by God”.
- Osbert: of English origin, it means “divinely brilliant”.
- Oscar : of Germanic origin, it means “spear of the gods”.
- Oshea: of Hebrew origin, it means “salvation”.
- Osian: Welsh variant of Oisin.
- Osias: of Greek origin, it means “salvation”.
- Osiris: Egyptian god of resurrection, vegetation and agriculture, symbol of the fertility and regeneration of the Nile.
- Osric: of English origin, it means “divine ruler”.
- Ossian: from Old Irish, it means “fawn”.
- Ossin: variant of Ossian.
- Ostadar: of Basque origin, it means “rainbow”.
- Ostertz: Basque name that means “horizon”.
- Ostin: variant of Austin, which means “magnificent”.
- Osvaldo : of Germanic origin, it means “resplendent people”.
- Oswald: English form of Osvaldo.
- Oswin: of English origin, it means “friend of God”.
- Othniel: of Hebrew origin, it means “lion of kings” or “lion of God”.
- Otis: of Germanic origin, it means “wealth”.
- Oto / Otto : of Germanic origin, it means “wealth, treasure”.
- Otón : variant of Oto.
- Otoniel: variant of Othniel.
- Ottah: of Egyptian origin, it means “born in third place”.
- Ottavio: Italian form of Octavio.
- Oubastet: of Egyptian origin, it means “a cat”.
- Ovidio: of Latin origin, it means “sheep”.
- Owen : of Gaelic origin, it means “young warrior”.
- Oxford: of English origin, it means “from the crossing of oxen”.
- Oz: of Hebrew origin, it means “strong, powerful, brave”.
- Ozias: of Greek origin, it means “salvation”.
- Oziel: of Hebrew origin, it means “power of God”.
- Ozuru: of Japanese origin, it means “big stork”.
- Ozzie: diminutive of names like Osvaldo, Ozias and Oz.
More baby names from A to Z
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