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Name Meaning Origin Popularity Other Gender
Otello
Octha

Enemy of Arthur

Arthurian Legend

Orvell

Gold town

French

Ollin
Osmund

God's protection

Scandinavian

Otildo

Fortunate or prosperous in battle

German

Orwynn

Spear friend

English

Oakly

Meadow of oak trees

English

Ogden

Oak valley

English

Occhave

Festive Occasion

Indian (Sanskrit)

Owais
Okonkwo
Onyebuchi

Who is God? He is in everything

African

Oxnatun

From the ox farm

English

Ovadya

Serves God

Hebrew

Orsini

Bear

Latin

Osred

God's counsel

English

Oziah
Odam

Son in law

English

Ofir

Gold

Hebrew

Ormond

Mountain of bears; spear or ship protector

English

Okhmhaka

Little wolf (Cheyenne)

Native American

Oke

Deer lover

Polynesian

Obert

Wealthy, bright

German

Odhert

Wealthy

German

Osburt

Divinely brilliant

English

Odo

Possessor of wealth

Scandinavian

Orfeo

Greek

Omid
Omarie
Oyintsa

White Duck

Native American

Ocelfa

From the high plain

English

Ofer
Oxide

Oxygen Compound

American

Omkar
Oracle

Prophecy

Greek

Ousmane
Omri

Sheaf of grain

Hebrew

Oval
Orvil

Gold town

French

Oluwafemi
Olumiji
Octovien

Eighth

Latin

Orestes

Mountain

Greek

Omet

My light

Hebrew

Osmany
Oscosh

The Bravest of All

Native American

Orange
Orlondo

Spanish

Oliverios

Affectionate

Spanish

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.