956 Baby Boy Names That Start With Letter O

The moment we talk about baby boy names starting with the letter O, Oscar, Owen, and Olive come to mind. That’s because these three are least outlandish baby boy names starting with this letter. Many parents believe that giving their child a unique name is cruel. Well, that’s not entirely accurate, to say the least. On the contrary, it can have several advantages. Having a unique name means that people will remember your child and they’ll grow up feeling special. And letter O has hundreds of such names that can make your child stand out from the crowd? Still, don’t believe us? Then keep reading!
The letter O has spiritual vibrations, which brings great insight to the bearer. It will give your son an inner light, which will help him grow up to be a fair, brave, and just lad. The letter even brings the skills to achieve all the professional aims, no matter how difficult they may seem initially.
On the downside, boys with O in their names tend to become too dreamy, unrealistic and emotional. This may not be very fruitful in the long run.
Now that we’ve given you a sneak peek on this letter, it’s time to check out the names. From Oaghavanth to Onir and beyond, MomJunction has some distinct names beginning with letter O in its tool. Take a look!

Name		Gender	Meaning
Osaka		Unisex	Large hill or slope
Osama		Boy	One who is bold and courageous like a lion
Osbald		Boy	A spiritual strength from god
Osbaldo		Boy	Spiritual strength; Regulation from God
Osbarn		Boy	A God bear or a God warrior
Osbart		Boy	The powerful and shining light of God
Osbeohrt		Boy	A powerful light of God
Osbeorht		Boy	The shining light from the God
Osbeorn		Boy	The bear-like person
Osbern		Boy	The one who leads the war on behalf of the highest God
Osbernus		Boy	One who leads war on behalf of God
Osbert		Boy	Powerful brightness of God
Osbertus		Boy	The power and bright light of God
Osborn		Boy	The warrior of God
Osborne		Boy	The warrior of God's army, the spiritual bear
Osbourn		Boy	The spiritual fighter of God's army
Osbourne		Boy	The mercy of God
Osbryht		Boy	The light from God that brightens
Osburh		Boy	The light of God
Osburn		Boy	The celestial combatant who fights on behalf of God
Osburne		Boy	The period of heartiest prosperity or productivity
Osburt		Boy	The bright of the lifetime
Osca		Boy	A heavenly combatant who always battles for God's sake.
Oscar		Boy	Deer loving one; Friend of deer
Osceola		Boy	A radiant, shining, and powerful nimble from God
Oscon		Boy	An admirer of deer
Oscytel		Boy	Holy spear, the person who admires deer
Osea		Unisex	God's salvation; God's help
Oseberne		Boy	The light of God that shines
Osebertus		Boy	The brave soldier of god
Osegod		Boy	A noble landowner
Osei		Unisex	Noble; Royal
Osewold		Boy	The brave fighter of God
Osfrid		Boy	The bravest warrior of the God
Osfrith		Boy	A god of the gods
Osgar		Boy	Softly bright; Radiant
Osgarus		Boy	God who rules the world
Osgood		Boy	Holy graceful, celestial nimble
Osgyth		Boy	The beloved god of love and peace
Oshan		Boy	A little warm
Oshea		Boy	Salvation
Osheen		Unisex	Little deer; Fawn
Oshen		Unisex	Ocean, vastness, tranquility
Osher		Unisex	Happiness and prosperity
Oshern		Boy	The god of peace and love
Oshi		Unisex	Thank you; A person's favorite idol or actor
Oshia		Unisex	God supports; God will save
Oshin		Boy	From a Japanese television series
Osho		Boy	The shine of the earth, the sparkle of the domain
Oshun		Unisex	Goddess of love and beauty
Osiah		Boy	Savior, Gift from God
Osias		Boy	Salvation; God saves
Osiel		Unisex	God's strength
Osinachi		Unisex	May God be with me
Osip		Boy	God shall add
Osiris		Boy	Mighty one
Oska		Boy	One who is an outdoor lover and likes nature
Oskar		Boy	God's spear; Deer's friend
Oskari		Boy	A jumping and leaping warrior
Oslac		Boy	A determined and curious individual
Oslaf		Boy	A free-detailed and sensitive person
Oslafa		Unisex	An ambitious, courageous, and strong person
Osma		Unisex	One who acts like a divine protector
Osmaer		Boy	A famous person with God-like fame
Osmanek		Boy	One with an expressive and vibrant nature; chief
Osmar		Boy	The one who is born with divine glory
Osmarr		Boy	Godlike fame; Born with glory
Osmel		Boy	One with a preserving and detailed nature
Osmen		Boy	One who is born to show the right path
Osment		Boy	A famous and god-loving person
Osmer		Boy	One who is as famous as the God
Osmin		Boy	The one under God's protection
Osmo		Boy	A young and energetic name
Osmod		Boy	The one under divine protection
Osmon		Boy	One who is protected by God
Osmond		Boy	A protected human being
Osmonde		Boy	One who is protected by God
Osmont		Boy	One who remains under protection
Osmund		Boy	A person under protection
Osmundue		Boy	A great and divine protector
Oso		Unisex	Bear
Osogo		Boy	The Osogo birth
Oson		Boy	Summer
Osouf		Boy	God's wolf or warrior, a variation of Ozouf
Osraed		Boy	One who is like a divine counselor
Osred		Boy	A red-haired warrior; A divine being
Osric		Boy	God-protected; Rich and powerful
Osrick		Boy	A divine and powerful ruler
Osrid		Boy	A young count's name
Osrik		Boy	Rich and powerful
Osryd		Boy	A majestic and divine counselor
Ossama		Boy	One with the power of a Lion
Ossamah		Boy	Lion; powerful and majestic person
Ossian		Boy	Fawn; a trusted and happy individual
Ossie		Boy	One who is as sharp as a God's spear; a gift
Ossy		Boy	A divine and powerful person; spiritual
Ostap		Boy	Steady
Osteen		Unisex	Divine strength and blessings
Ostin		Boy	Great; Magnificent
Ostrythe		Boy	A divine Wolf; Idealistic person

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.

Illustration: Momjunction Design Team