664 results  •  Page 1 of 14

Name Meaning Origin Popularity Other Gender
Olav

Ancestor's relic

Scandinavian

Odwolfe

Wealthy wolf

English

Or

Light, brilliance

Hebrew

Obert

Wealthy, bright

German

Octavo

Eighth

Latin

Ondrey

Man, warrior

Greek

Olley

Olive tree

Latin

Oswald

God's power

German

Orrel

Golden

Latin

Osryd

Divine counselor

English

Oates

Wealth; son of Otto

German

Ozair
Okapi

Animal with Long Neck

African

Othon
Olivero

Olive tree

Latin

Odon

Wealthy protector

English

Onie
Ortiz
Onofre

Defender of peace

Italian

Orbert

Wealthy

German

Oakden

From the oak tree valley

English

Oaklen

Oak meadow

American

Ofeer

Gold

Hebrew

Ody

Wealthy defender

Anglo-Saxon

Ottfried

Wealthy peace

German

Osamu

Discipline, Study

Japanese

Olavi
Orwald

Spear strength

English

Orran

Light; pale

Irish

Ohad

Loved one

Hebrew

Odin

Frenzy

Scandinavian

Ora

“The golden one,” from the French or, gold.

French

Olorun
Ontario
Oswynn

God's friend

English

Ourson

Little bear

French

Ofra
Omega

The Greek Letter

Greek

Orrick

Old oak tree

English

Orlondo

Spanish

Osie
Ola

Ancestor's relic

Scandinavian

Onjello

Messenger; messenger of God

Greek

Odwolf

Wealthy wolf

English

Oren

Pine tree; fair, pale

Irish

Oral

Golden

Latin

Odhran

Pale

Irish

Olen

“The scented one,” from the Latin olere, to smell.

English

Oluwatosin

The Lord is worthy to be served

African

Orbie

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.