300+ Unique Boy Names That Start With O With Meanings

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The letter ‘O’ provides a wide array of remarkable options. Whether you seek a name that is distinctive, trendy, or enduring, our in-depth guide to boy names beginning with O offers choices for every parent. From beloved traditional names passed down through generations to up-and-coming modern names, our guide covers it all. Explore further to find the ideal ‘O’ name for your baby boy!

20 Best Boy Names That Start With O

Dive into a list of the top boy names beginning with O. These names are known for their timeless charm and distinctiveness.

Oliver – Meaning: Olive tree; Origin: Latin
Owen – Meaning: Young warrior; Origin: Welsh
Oscar – Meaning: Divine spear; Origin: English
Orion – Meaning: Hunter; Origin: Greek
Omar – Meaning: Life; Origin: Arabic
Olivier – Meaning: Olive tree; Origin: French
Owen – Meaning: Young warrior; Origin: Welsh
Otto – Meaning: Wealth, fortune; Origin: German
Orlando – Meaning: Famous throughout the land; Origin: Italian
Oswald – Meaning: God’s rule; Origin: Old English
Oren – Meaning: Pine tree; Origin: Hebrew
Oakley – Meaning: Oak meadow; Origin: English
Omarion – Meaning: Gifted speaker; Origin: American
Octavian – Meaning: Eighth; Origin: Latin
Onyx – Meaning: Gemstone; Origin: English
Osiris – Meaning: God of the afterlife; Origin: Egyptian
Oisin – Meaning: Little deer; Origin: Irish
Ocean – Meaning: Vast sea; Origin: English
Odin – Meaning: God of wisdom; Origin: Norse
Olympus – Meaning: Home of the gods; Origin: Greek

20 Biblical Boy Names Start With O

Uncover a collection of significant biblical names starting with O. These names carry deep spiritual meanings and historical roots.

Obed – Meaning: Servant; Origin: Hebrew
Obadiah – Meaning: Servant of God; Origin: Hebrew
Omri – Meaning: Sheaf of grain; Origin: Hebrew
Onesimus – Meaning: Profitable; Origin: Greek
Oshea – Meaning: Salvation; Origin: Hebrew
Othniel – Meaning: Lion of God; Origin: Hebrew
Obal – Meaning: Bare, bald; Origin: Hebrew
Ozem – Meaning: Strong; Origin: Hebrew
Omariah – Meaning: God has spoken; Origin: Hebrew
Ozias – Meaning: Salvation of God; Origin: Hebrew
Obediah – Meaning: Servant of God; Origin: Hebrew
Ozni – Meaning: Hearing, ear; Origin: Hebrew
Ozair – Meaning: Helper; Origin: Arabic
Ornan – Meaning: Pine tree; Origin: Hebrew
Oziel – Meaning: God is my strength; Origin: Hebrew
Ozniel – Meaning: God hears; Origin: Hebrew
Othni – Meaning: My time; Origin: Hebrew
Oded – Meaning: Restorer; Origin: Hebrew
Omri – Meaning: Sheaf of grain; Origin: Hebrew
Ozias – Meaning: Salvation of God; Origin: Hebrew

20 Hindu Boy Names Start With O

Explore a variety of traditional Hindu boy names beginning with O. Each name reflects India’s rich cultural and spiritual traditions.

Om – Meaning: Sacred syllable; Origin: Sanskrit
Ojas – Meaning: Energy, strength; Origin: Sanskrit
Omkar – Meaning: The sound of the sacred syllable ‘Om’; Origin: Sanskrit
Ojaswin – Meaning: Energetic; Origin: Sanskrit
Omesh – Meaning: Lord of the om; Origin: Sanskrit
Omair – Meaning: Life, long-lived; Origin: Sanskrit
Omkara – Meaning: The syllable ‘Om’; Origin: Sanskrit
Ojasvat – Meaning: Lustrous, bright; Origin: Sanskrit
Oorjit – Meaning: Powerful; Origin: Sanskrit
Ohas – Meaning: Praise; Origin: Sanskrit
Omeshwar – Meaning: Lord of the om; Origin: Sanskrit
Oojay – Meaning: Enthusiastic; Origin: Sanskrit
Oorjit – Meaning: Energetic; Origin: Sanskrit
Ojayit – Meaning: Courageous; Origin: Sanskrit
Othman – Meaning: Baby bustard bird; Origin: Arabic
Omveer – Meaning: Lord of the om; Origin: Sanskrit
Onir – Meaning: Shining; Origin: Sanskrit
Oojayit – Meaning: Focused; Origin: Sanskrit
Oviyan – Meaning: Artist; Origin: Tamil
Omkar – Meaning: The sound of the sacred syllable ‘Om’; Origin: Sanskrit

20 Muslim Boy Names Start With O

Discover a range of meaningful Muslim boy names starting with O. These names are inspired by Islamic heritage and hold cultural importance.

Omar – Meaning: Life; Origin: Arabic
Osman – Meaning: Pure, clean; Origin: Turkish
Owais – Meaning: A companion of the Prophet; Origin: Arabic
Obaid – Meaning: Small slave; Origin: Arabic
Omarion – Meaning: Gifted speaker; Origin: American
Omaar – Meaning: Life; Origin: Arabic
Osama – Meaning: Lion; Origin: Arabic
Othman – Meaning: Baby bustard bird; Origin: Arabic
Omran – Meaning: Solid structure; Origin: Arabic
Owain – Meaning: Youth, well-born; Origin: Welsh
Othman – Meaning: Baby bustard bird; Origin: Arabic
Osman – Meaning: Pure, clean; Origin: Turkish
Omer – Meaning: Life; Origin: Arabic
Obayd – Meaning: Worshiper; Origin: Arabic
Osair – Meaning: Bird; Origin: Arabic
Omar – Meaning: Life; Origin: Arabic
Omaro – Meaning: Life; Origin: Arabic
Oweis – Meaning: Little wolf; Origin: Arabic
Omaar – Meaning: Life; Origin: Arabic
Osaim – Meaning: Bird; Origin: Arabic

20 Boy Nicknames Start With O

Check out 20 lively and endearing boy nicknames starting with O. These nicknames are perfect for adding a fun twist to any boy’s name.

Ollie – Short for Oliver; Origin: English
Ozzy – Short for Oswald; Origin: Old English
Otto – Simple and strong; Origin: German
Oz – Short and cool; Origin: English
OJ – Initials; Origin: American
Odie – Playful and friendly; Origin: English
Orion – Mythical and celestial; Origin: Greek
Olls – A cute and short option; Origin: English
Oskie – Sweet and endearing; Origin: English
Ozzie – Informal and friendly; Origin: English
Onyx – Unique and stylish; Origin: English
Oso – Spanish for bear; Origin: Spanish
Oak – Strong and nature-inspired; Origin: English
Oni – Short and mysterious; Origin: Yoruba
Ori – Bright and cheerful; Origin: Hebrew
Omo – Child in Yoruba; Origin: Yoruba
Oslo – Named after the capital of Norway; Origin: Norwegian
Omie – Cute and affectionate; Origin: English
Oweno – Modern and playful; Origin: English

20 Last Names Start With O

Browse through a selection of distinguished last names beginning with O. These surnames are recognized for their historical significance and legacy.

O’Connor – Origin: Irish
Olsen – Origin: Danish/Norwegian
O’Reilly – Origin: Irish
Osborne – Origin: English
Oliver – Origin: English
Olivares – Origin: Spanish
O’Malley – Origin: Irish
Ochoa – Origin: Spanish
Osman – Origin: Turkish
O’Hara – Origin: Irish
Osborne – Origin: English
Olivier – Origin: French
Oman – Origin: Arabic
O’Neill – Origin: Irish
Ocampo – Origin: Spanish
Ogawa – Origin: Japanese
Ochoa – Origin: Spanish
Ogden – Origin: English
Ortega – Origin: Spanish
Oliviera – Origin: Portuguese

Unisex Names Starting With O

Find versatile and modern unisex names that start with O. These names are suitable for any child, offering flexibility and inclusivity.

Oakley – Meaning: Oak meadow; Origin: English
Ocean – Meaning: Vast sea; Origin: English
Onyx – Meaning: Gemstone; Origin: English
Olive – Meaning: Olive tree; Origin: Latin
Ollie – Meaning: Olive tree; Origin: Latin
Orion – Meaning: Hunter; Origin: Greek
Osiris – Meaning: God of the afterlife; Origin: Egyptian
Oasis – Meaning: Fertile spot in a desert; Origin: English
Oleander – Meaning: Flowering shrub; Origin: Latin
Oberon – Meaning: Noble, bearlike; Origin: English
October – Meaning: Eighth month; Origin: Latin
Odyssey – Meaning: Long, adventurous journey; Origin: Greek
Omega – Meaning: The end, the last; Origin: Greek
Onyx – Meaning: Gemstone; Origin: English
Orchid – Meaning: Beautiful flower; Origin: English
Orca – Meaning: Killer whale; Origin: English
Orion – Meaning: Hunter; Origin: Greek
Ottawa – Meaning: To trade; Origin: Algonquian
Outlaw – Meaning: A person who has broken the law; Origin: English
Overture – Meaning: An introduction or prelude; Origin: French

Popular Boy Names Start With O

Explore some of the most popular boy names beginning with O. These names are chosen by many parents for their contemporary appeal.

Oliver
Owen
Oscar
Omar
Oliver
Oakley
Orion
Otis
Otto
Omar
Odin
Osman
Omari
Ollie
Orlando
Ozzy
Ocean
Omran
Ozias
Odell

Common Boy Names Start With O

Discover a list of widely recognized boy names starting with O. These names are familiar and often chosen for their classic nature.

Oliver
Owen
Oscar
Omar
Oliver
Oakley
Orion
Otis
Otto
Omar
Odin
Osman
Omari
Ollie
Orlando
Ozzy
Ocean
Omran
Ozias
Odell

Short Boy Names Start With O

Check out a variety of short and sweet boy names beginning with O. These names are easy to remember, spell, and pronounce.

Owen
Omar
Otto
Ollie
Oak
Om
Oz
Olly
Oak
Ozzy
Onyx
Ozias
Odi
Ora
Os
Oden
Obe
Ovie
Osy
Ola

Long Boy Names Start With O

Delve into elegant and sophisticated long boy names starting with O. These names have a grand and impressive presence.

Oliver
Orlando
Osman
Octavius
Obadiah
Othello
Osiris
Osmund
Oswald
Oxford
Orenthal
Oktay
Oberon
Olenka
Orpheus
Ozymandias
Octavian
Ollivander
Octavio
Obi-Wan

Vintage Boy Names Start With O

Unveil a collection of vintage boy names beginning with O. These classic names bring a sense of nostalgia and timelessness.

Otto
Oswald
Orville
Opie
Olin
Odis
Odell
Obadiah
Osmond
Orin
Ozzy
Omer
Oren
Otho
Olen
Orrin
Osie
Omri
Ocie
Othniel

Modern Boy Names Start With O

Discover trendy and contemporary boy names starting with O. These names reflect the latest naming styles and preferences.

Oakley
Omari
Ozzy
Orion
Osman
Osiris
Otis
Ocean
Odin
Ollie
Oren
Otis
Omar
Omri
Orson
Onyx
Ozias
Oskar
Osman
Ozzy

Powerful Boy Names Start With O

Find strong and impactful boy names beginning with O. These names convey a sense of power, strength, and confidence.

Odin
Osiris
Octavius
Obadiah
Omar
Ozymandias
Orion
Oceanus
Orenthal
Osman
Ozias
Omran
Oktay
Othello
Osbourne
Oisin
Oakley
Osamu
Ollivander
Oberon

Cute Boy Names Start With O

Explore adorable and charming boy names starting with O. These names are perfect for a sweet and lovable little boy.

Oliver
Otis
Owen
Ozzy
Ollie
Omri
Otter
Ora
Ovie
Ollie
Oreo
Oden
Orly
Ozzy
Obi
Ora
Oreo
Ovie
Ollie
Ozzy

Pretty Boy Names Start With O

Discover lovely and aesthetically pleasing baby boy names beginning with O. These names have a graceful and attractive sound.

Oliver
Orlando
Otis
Owen
Oscar
Osiris
Ollie
Ocean
Orion
Ozzy
Omari
Oren
Oskar
Orson
Ozias
Oakley
Osman
Otis
Osiris
Ocean

Unique Boy Names Start With O

Uncover uncommon and distinctive boy names starting with O. These names are ideal for parents seeking something different and special.

Oberon
Octavian
Ollivander
Ozias
Omran
Onyx
Oskar
Osiris
Othello
Oisin
Osian
Ozymandias
Oki
Osamu
Oaklen
Oktay
Onyx
Oberon
Oriel
Oden

Rare Boy Names Start With O

Find a selection of rare and seldom-heard boy names beginning with O. These names are perfect for those looking for something truly unique.

Ozymandias
Ollivander
Osian
Omran
Oberon
Orpheus
Osamu
Oisin
Oki
Octavius
Onyx
Oden
Ono
Oriel
Oviedo
Octavio
Ozzie
Orson
Ottavio
Osman

Conclusion

We also hope that in our above detailed compiled list of boys’ names, you have found the perfect match for your baby. If you did, we encourage you to share our article with your friends and colleagues. By spreading the word, you can help others find the perfect name for their little one as well.

In addition, if our list has inspired you or if you have any unique suggestions, we would love to hear from you. Sharing your thoughts and experiences can provide valuable insights to other parents on the same journey. Feel free to leave a comment and join the conversation.

For additional name options, take a look at our website’s Name Generator category, where you’ll generate your own baby names.