749 Unique Boy Names That Start With O

O for Outstanding, that's what these names sound like.

Written by N Pravenchandra Singh, MA Specialty: Literature and RelationshipsExperience: 2 years

Praven is an English literature expert. He did his bachelors in English from Delhi University and masters in English from Manipur University. Besides, he holds a certificate in multimedia design and content creation from NIELIT Imphal and presented papers at various national and international conferences.

Read full bio of N Pravenchandra Singh

Edited by Vidya Tadapatri, MSc (Biotechnology) Specialty: Health and WellnessExperience: 5 years

Vidya did her post-graduation in Biotechnology from Osmania University, Hyderabad. Her interest in scientific research and writing made her pursue a career in writing, in which she now has over five years of experience. She has done certified biotechnology-related training programs under renowned organizations such as Centre For Cellular & Molecular Biology and Department of Biotechnology.

Read full bio of Vidya Tadapatri

Fact-checked by Trisha Chakraborty, MA, BEd Specialty: Child development & educationExperience: 5 years

Trisha worked as a schoolteacher for three years before taking up professional writing in 2021. She completed her masters in English from the University of Calcutta and bachelors in Education from the University of Burdwan.

Read full bio of Trisha Chakraborty

Last Updated on Nov 13, 2024

Illustration: MomJunction Design Team

Baby boy names starting with the letter O can make your child stand out from the crowd. The letter O of the English alphabet corresponds to the Semitic ‘ayin,’ and its form is believed to have been inspired by a sign representing the human eye. Across various cultures, names beginning with O hold diverse meanings and associations. For instance, the masculine name Omar, derived from Arabic, signifies ‘flourishing’ or ‘long-lived,’ reflecting positive aspirations for the namesake. These names are also deeply rooted in history, symbolizing strong connections to their respective heritages and traditions. According to the SSA, names such as the Latin Oliver (olive tree planter) and the Welsh Owen (of noble birth) have continued to top the popularity charts over the last couple of decades in the US (1).

Now that we’ve given you a sneak peek at this letter, it’s time to check out some O-names. From Oaghavanth to Onir and beyond, here are some distinct names beginning with the letter O. Take a look.

Name	Gender	Meaning
Oliver	Boy	Olive; Olive tree planter; Ancestor's descendant; All cautious
Oscar	Boy	God's spear; Friend of deer
Omar	Boy	Flourishing; Long-lived; Wealthy; Famous; Eloquent; Gifted
Odin	Boy	Inspiration; Frenzy; Rage
Omari	Boy	Populous; Flourishing; Full of life
Otis	Boy	Wealth; Son of Ode
Ozzy	Boy	Powerful God; Divine ruler; God's spear
Orlando	Boy	Famous in the land
Osiris	Boy	Mighty eye; God of fertility, agriculture, and the afterlife
Ozias	Boy	My power is Yahweh; Strength; Power; Salvation

Oskar	Boy	God's spear; Deer's friend
Octavio	Boy	Eight or eighth
Osvaldo	Boy	God's power
Ozzie	Boy	Mighty God; Warrior of God
Obadiah	Boy	Serving Yahweh; Yahweh's servant; Worshiper of Yahweh
Orson	Boy	Bear cub; Ormond's son
Octavius	Boy	Eight or eighth
Oden	Boy	Inspiration; Frenzy; Rage
Osiel	Unisex	My power is God
Om	Boy	Sacred syllable; Primordial sound

Oziel	Unisex	My power is Yahweh; Strength; Power; Salvation
Octavian	Boy	Eight; Born in the eighth month; Born eighth
Orrin	Boy	Tan; Greyish brown
Olivier	Boy	Olive tree; Ancestor's descendant; Planter of olive trees; All cautious
Oswald	Boy	God's power; Mighty god
Ori	Boy	My light
Oswaldo	Boy	One who is born with divine power
Oshea	Boy	Salvation
Omri	Boy	Package of several things tied together; Life; Servant
Oziah	Unisex	Salvation; The strength of the Lord; Helper

Omarion	Boy	Populous; Flourishing
Othniel	Boy	Lion of God; Strength of God
Olen	Boy	Ancestor's descendant
Osmar	Boy	Famous God
Odysseus	Boy	To hate or lament
Oberon	Boy	Elf ruler; King of elves; Royal bear
Ojas	Boy	Vitality; Power; Physical strength
Oz	Boy	God; Strength
Olliver	Boy	Olive; Olive tree; Ancestor's descendant; All cautious; Elf warrior
Obi	Boy	Heart; Yahweh's servant; Worshiper of Yahweh

Ousmane	Unisex	Baby bustard; Wise; Dragon cub; Powerful
Othman	Boy	A brave person and the chosen one
Olan	Boy	Grand; Great; Enormous; Echo; Reflection
Ollivander	Boy	He who owns the olive wand
Ostin	Boy	Great; Magnificent; Exalted; Venerable
Oisin	Boy	Little deer
Ole	Boy	Ancestor's descendant
Omir	Boy	Populous; Flourishing
Obert	Boy	The one who believes that there is only One Allah
Oakes	Boy	Oak tree; Someone who lived near an oak tree; Son of Dubhdara

Orhan	Boy	Ruler of the city; Great leader
Osias	Boy	Salvation; God saves
Owais	Boy	A wolf
Olyver	Boy	ELF cadre or the same as the olive tree
Ovidio	Boy	Like a sheep
Ozan	Boy	A bard
Osmin	Boy	The one under God's protection
Obie	Boy	God's servant; Worshipping; Elf ruler
Olivander	Boy	The one who shelters the olive tree
Orville	Boy	Town or city filled with golden treasuries

Osmond	Boy	God's protection
Obama	Boy	Crooked or bent
Oso	Unisex	Bear
Osborne	Boy	The warrior of God's army; The spiritual bear
Ovie	Boy	King
Oday	Boy	Runner; Rising
Ontario	Boy	Beautiful lake
Oswin	Boy	God's friend
Oxford	Boy	Oxen crossing; From Oxford
Olvin	Unisex	King of Archenland

Oneil	Unisex	Descendant of Neil
Ovadia	Boy	A servant of God
Oreste	Boy	A huge rugged one
Osama	Boy	Lion; Majestic
Osbaldo	Boy	Mighty God
Ottis	Boy	Wealth; Son of Ode
Ottmar	Boy	A wealthy and prosperous individual
Otoniel	Boy	Lion of God; Strength of God
Ousman	Boy	Baby bustard; Wise; Dragon cub
Okey	Boy	A bright shining light that is pleasing to the eyes

Orval	Boy	A town of Gold
Odis	Boy	Wealth; Fortune
Ogden	Boy	Oak valley
Othello	Boy	Wealth
Obaloluwa	Boy	God is the king
Omni	Boy	All; Universal
Omran	Boy	Exalted nation
Ozymandias	Boy	Ancient Egyptian regnal name or title of Pharaoh Ramesses II
Odilon	Boy	Heritage; Wealth; Fortune
Ommar	Boy	The one who born as the first boy in the family, the eldest son

Oris	Boy	Tree
Otho	Boy	Wealth; Prosperity
Oban	Boy	The little bay
Oleg	Boy	Holy; Blessed; Sacred
Onir	Boy	Shining; Extraordinary
Onni	Boy	Luck; Cheerfulness; Pleasure
Orel	Boy	Light of God; High mountain; Exalted
Osric	Boy	God's rule; God's power
Ovi	Boy	Poetic stanza of Prakrit verse; Admiration; Sheep
Olman	Boy	Old money; Wealth

1 2 3 … 8 »

O for optimistic, and so our collection of baby boy names that start with O gives you options with positive meanings. Whether you are looking for short choices such as Oak and Oan or unique names such as Obinna and Ochuko, our above list brings you everything. People in different cultures and religions have used O names for boys, mainly because of their distinctiveness. Keep going through the vast list until you find the best one.

Frequently Asked Questions

1. What are some names from Bible that start with the letter “O”?

In the Bible, names like Obadiah meaning ‘serving Yahweh,’ Obed meaning ‘worshipping,’ Omar meaning ‘speak,’ Othniel meaning ‘lion of God,’ Ohad meaning ‘united,’ and Omri meaning ‘life’ or ‘servant’ are significant.

2. Can I use a baby boy's name starting with O for a girl?

Unisex names like Oaklee, meaning ‘oak clearing,’ Och meaning ‘the sparkle of the loved ones,’ Orphie meaning ‘fawn,’ Orel meaning ‘golden,’ and Odgerel, meaning ‘starlight,’ are some extraordinary names that you can consider for your little princess.

3. How do I choose the right baby boy name that starts with O?

Various factors like preferences, family traditions, and cultural background depend on choosing the right name for your little one. You can start by researching the names that start with the letter O. Furthermore, you can look for popular or unique names. Some may prefer popular names, while others prefer a distinctive and exclusive name for their baby boy. Take your time, trust your instincts, and select a name to which you and your partner love and feel connected.

4. What are some popular baby boy names that start with O?

Oliver meaning ‘olive tree,’ Oscar, meaning ‘God’s spear,’ Odin, meaning ‘inspiration,’ and Onyx, meaning ‘claw,’ are some popular names you can consider for your little bundle of joy.

Infographic: Outstanding Boy Names Starting With O

Baby boy names starting with the letter O are uncommon, which accounts for their uniqueness. Despite the rarity, multiple cultures worldwide have names that begin with O. This round, full-sounding vowel gives a pleasant appeal to the names that start with it. You can check out the infographic below to explore some of the top names for boys that begin with O.

handsome boy names that begin with o (infographic)

References

MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.

Popular names of the period 2010s.
https://www.ssa.gov/oact/babynames/

Look Up For Many More Names

Do you have a name in mind and want to know more about it? Or want to find names belonging to a particular origin, religion, or having a specific meaning? Use our search tool below to explore more baby names with different combinations.