664 results  •  Page 1 of 14

Name Meaning Origin Popularity Other Gender
Omeo

Mountains

Aboriginal

Oluwasemilore
Omega

The Greek Letter

Greek

Orlo
Ocean

Sea

Greek

Orville

Gold town

French

Omeet

My light

Hebrew

Omawnakw

Cloud feather (Hopi)

Native American

Ormond

Mountain of bears; spear or ship protector

English

Osmonde

God's protection

Scandinavian

Otess

Wealth; son of Otto

German

Ohio

Large River

Native American

Ogbonna
Ordland

From the pointed hill

English

Oswald

God's power

German

Oswin

God's friend

English

Oke

Deer lover

Polynesian

Onwoachi
Offa

Name of a king

Anglo-Saxon

Orrel

Golden

Latin

Ophra
Ogun
Okena

Water Chief

Native American

Olexa

Defender of man

Slavic

Odall

Woad hill

English

Olav

Ancestor's relic

Scandinavian

Ovadia
Orvil

Gold town

French

Omair
Odell

Woad hill

English

Ordwald

Spear strength

English

Osier

Near the willows

English

Onjel

Messenger; messenger of God

Greek

Obama

Crooked, somewhat bent

African

Orlanda
Oluwanifemi
Orson

Bear

Latin

Orwel

Horizon

Welsh

Ohene
Otoahhastis

Tall bull (Cheyenne)

Native American

Oswinn

God's friend

English

Osrik

Divine ruler

English

Osmany
Osweald

Divinely powerful

English

Owen

Noble born

Welsh

Ondray
Obedience

Obedience

English

Ovadiach

Servant of God

Hebrew

Ousman
Oak

Near the oak trees; meadow of oak trees

English

With an incredible starting letter, boy names that start with O are finding their way to the top of the charts. A wholesome letter with out-of-this-world charm, the letter O is a shining star of the vowel baby name trend. O names for boys are charismatic and approachable, retaining a charm that can’t be ignored.

While the baby boy names that start with O are beloved for their friendly side, there are quite a few strong boy names among the ranks as well. There are outworldly strong picks like Octavian and Osvaldo as well as names with strong meanings like Osman’s “God’s protection” and Ojas’ “strong one.”

As baby boy names starting with O heat up on the charts, there are still monikers waiting in the shadows for their time on top. These unique boy names that start with O include Osirus and Oren, two cool names with otherworldly appeal.

Sometimes the best way to find a name is to explore origins, keeping an open mind to those outside of your background. Gain inspiration from Latin names like Orson and Ollie or get to know Greek picks like Orion and Omega. With baby boy names starting with O, there’s something for every style.