60+ Precious Boy Names That Start With O

Searching for the perfect boy name that starts with O? You’re in the right place. I’ve researched hundreds of names from baby name databases, cultural origins, parent forums, and naming trends to bring you this comprehensive collection of over 60 beautiful O names for boys. Whether you’re looking for something classic, nature-inspired, or completely unique, you’ll find meaningful options that feel just right for your little one.

Country Boy Names That Start With O

Country boy names that start with O evoke rustic charm and timeless simplicity, ideal for families who appreciate traditional values and the beauty of rural life.

Oakes
Origin: English
Meaning: from the oak tree grove

Oakland
Origin: English
Meaning: someone who lived by the oak land

Oakley
Origin: English
Meaning: from the meadow of oak trees

Oakton
Origin: English
Meaning: settlement near oak trees

Outlaw
Origin: English
Meaning: one who lives outside the law; a rebellious spirit

Orville
Origin: French
Meaning: gold town

Earthy & Nature-Inspired Boy Names That Start With O

Earthy boy names that start with O connect your child to the natural world, celebrating the beauty and strength found in nature. These names are perfect for families who value the outdoors and environmental consciousness.

Oak
Origin: English
Meaning: a tree, and symbol of strength

Oleander
Origin: Greek
Meaning: evergreen tree

Olive
Origin: French
Meaning: olive tree; symbol of peace

Onyx
Origin: Greek
Meaning: black gemstone

Oren
Origin: Hebrew
Meaning: pine tree; ash tree

Ocean
Origin: Greek
Meaning: sea; vast body of water

Obsidian
Origin: Latin
Meaning: volcanic glass; dark stone

Ore
Origin: English
Meaning: mineral; natural metal

Opal
Origin: Sanskrit
Meaning: precious stone; jewel

Hipster & Trendy Boy Names That Start With O

Hipster boy names that start with O have a cool, unconventional edge that appeals to modern parents seeking something distinctive yet stylish.

Odie
Origin: English
Meaning: of the valley

Otto
Origin: German
Meaning: wealth; prosperity

Orion
Origin: Greek
Meaning: heaven’s light; mighty hunter from mythology

Ozzy
Origin: English
Meaning: God’s power; God’s protection

Otis
Origin: German
Meaning: wealth; son of Ode

Oslo
Origin: Norwegian
Meaning: the meadow beneath the ridge; capital of Norway

Oxford
Origin: English
Meaning: where oxen cross the river; prestigious university city

Osiris
Origin: Egyptian
Meaning: god of the afterlife; powerful deity

Modern Boy Names That Start With O

Modern boy names that start with O blend contemporary style with sophistication, making them perfect choices for today’s families.

Olson
Origin: Scandinavian
Meaning: son of Olaf

Orlando
Origin: Italian
Meaning: famous throughout the land

Orson
Origin: Latin
Meaning: bear cub

Omari
Origin: Swahili/Arabic
Meaning: flourishing; long-lived

Ozias
Origin: Hebrew
Meaning: salvation; strength from God

Oaklyn
Origin: English
Meaning: from the oak lake

Orland
Origin: English
Meaning: famous throughout the land

Octavius
Origin: Latin
Meaning: eighth; Roman name

Popular & Classic Boy Names That Start With O

These beloved names have stood the test of time, consistently ranking among parents’ top choices for boys.

Owen
Origin: Welsh
Meaning: young warrior; noble-born

Oliver
Origin: Latin
Meaning: olive tree; symbol of peace

Oscar
Origin: Irish/Norse
Meaning: spear of the gods; friend of deer

Ollie
Origin: Latin
Meaning: olive tree; diminutive of Oliver

Omar
Origin: Arabic
Meaning: flourishing; long-lived; eloquent

Omari
Origin: Swahili
Meaning: God the highest

Unique & Rare Boy Names That Start With O

Unique boy names that start with O ensure your child stands out with a name as special and individual as their personality.

Oberon
Origin: German
Meaning: noble bear; king of the fairies

Oberyn
Origin: German
Meaning: noble; variant of Oberon

Odell
Origin: English
Meaning: woad hill; wealthy

Oisin
Origin: Irish
Meaning: little deer

Olin
Origin: Scandinavian
Meaning: ancestor’s descendant; relic

Omri
Origin: Hebrew
Meaning: sheaf of grain; life

Ophir
Origin: Hebrew
Meaning: gold; fruitful region

Orrick
Origin: English
Meaning: from the ancient oak tree

Osborn
Origin: English
Meaning: divine bear; God-bear

Ovid
Origin: Latin
Meaning: sheep; Roman poet

Oz
Origin: Hebrew
Meaning: strength; courage

Vintage & Classic Boy Names That Start With O

Vintage boy names that start with O carry timeless elegance and historical significance, connecting your child to generations past.

Odin
Origin: Old Norse
Meaning: frenzied; inspiration; chief Norse god

Oswald
Origin: English
Meaning: divine power; God’s power

Oren
Origin: Hebrew
Meaning: pine tree; light

Otho
Origin: German
Meaning: wealth; fortune

Oran
Origin: Irish
Meaning: pale green; little pale one

Osmond
Origin: English
Meaning: divine protection

Osbert
Origin: English
Meaning: divine brightness

Orville
Origin: French
Meaning: gold town

Strong & Powerful Boy Names That Start With O

These names convey strength, leadership, and bold character traits.

Ozymandias
Origin: Greek
Meaning: air’s force; powerful ruler

Octavio
Origin: Latin
Meaning: eighth-born; strong

Oakes
Origin: English
Meaning: sturdy as oak trees

Onyx
Origin: Greek
Meaning: powerful black stone

Osman
Origin: Arabic
Meaning: young snake; founder of Ottoman Empire

International Boy Names That Start With O

Celebrate global cultures with these internationally-inspired O names.

Olivier
Origin: French
Meaning: olive tree

Ottavio
Origin: Italian
Meaning: eighth

Osvaldo
Origin: Spanish/Italian
Meaning: divine power

Oktay
Origin: Turkish
Meaning: noble son

Oleg
Origin: Russian
Meaning: holy; blessed

Oisin
Origin: Irish
Meaning: little deer

Olaf
Origin: Norwegian
Meaning: ancestor’s relic

Ove
Origin: Scandinavian
Meaning: awe; terror; point

Short & Sweet Boy Names That Start With O

Brief but impactful, these concise names pack personality into just a few letters.

Oz
Origin: Hebrew
Meaning: strength

Ode
Origin: English/Greek
Meaning: lyric poem; song

Obi
Origin: African
Meaning: heart

Ole
Origin: Scandinavian
Meaning: ancestor’s descendant

Ono
Origin: Japanese
Meaning: small field

Wrapping Up

Choosing the perfect name for your baby boy is one of the most exciting parts of preparing for parenthood. This collection of 60+ boy names that start with O offers something for every style and preference—from nature-inspired and earthy options to vintage classics and modern trendssetters. Whether you’re drawn to the strength of Oak, the celestial beauty of Orion, the timeless appeal of Oliver, or the uniqueness of Oberon, each name carries its own special meaning and story.

Remember, the best name is the one that resonates with you and feels right for your family. Take your time exploring these options, say them aloud with your last name, and imagine calling your little one by that name for years to come. Which of these precious O names made it onto your shortlist?