1369 Catchy Baby Names That Start With O

Baby names that start with O have a distinctive appeal and charm. You can find a range of classic and traditional names starting with this letter, such as Obadiah, meaning ‘servant of God’ in Hebrew and Orlando, meaning ‘famous land’ in Old German. Modern options include Orlo, meaning ‘eagle’ in Hebrew, and Oro, meaning ‘gold’ in Spanish.

Despite the uniqueness of the letter when it comes to names beginning with it, you will find the letter ‘O’ names in different languages and regions. Several names also trace their roots to specific regions or cultures. Some of these names are the Japanese Orie, meaning ‘picture of white cherry blossom,’ the American name Ohio, meaning ‘great river’, and the English Ororo, meaning ‘beauty.’ Arabic, Hebrew, Yoruba, and other African languages also have names beginning with O.

According to the US Social Security Administration data, Olivia, Owen, Oscar, Omar, and Oliver are some O-names that have ranked among the top 100 boy and girl names over the years (1). This indicates that the names that start with this letter could be the first choice of various parents. In fact, there have been many important leaders and prominent personalities who bore names starting with O. Among them, Irish poet and playwright Oscar Wilde and Octavian (Augustus Caesar) are some of the most notable personalities. Besides these names, names beginning with the letter O are also found in several other European languages.

The following list of names, starting with the letter O, is a diverse and vibrant collection. The significant meaning, lyrical sound, and deep significance of each name will surely captivate you as you explore these names. Each name is mentioned according to their gender usage. Pick a name that you sense would best go with your little one’s personality as they grow up.

In This Article

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NameGenderMeaning
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Olivia
Baby Girl Sign Girl Peace; Olive tree
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Oliver
Baby Boy Sign Boy Olive tree planter
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Olive
Baby Girl Sign Girl Olive trees
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Oaklynn
Baby Girl Sign Girl American invented name
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Oscar
Baby Boy Sign Boy Deer loving one; Friend of deer
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Octavia
Baby Girl Sign Girl Eight
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Omar
Baby Boy Sign Boy Flourishing
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Ophelia
Baby Girl Sign Girl Help; Benefit
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Odin
Baby Boy Sign Boy Ecstacy; Fury
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Omari
Baby Boy Sign Boy Populous; Flourishing
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Opal
Baby Girl Sign Girl Jewel
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Oaklyn
Baby Girl Sign Girl American invented name
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Otis
Baby Boy Sign Boy Wealth; Son of Ode
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Ozzy
Baby Boy Sign Boy Powerful God; Divine power
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Orlando
Baby Boy Sign Boy Famous in the land
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Osiris
Baby Boy Sign Boy Mighty one
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Ozias
Baby Boy Sign Boy Strength, salvation, divine help
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Ollie
Baby Boy Sign Boy Olive tree
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Oakland
Baby Boy Sign Boy Enchanting brave person
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Odette
Baby Girl Sign Girl Wealthy
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Oskar
Baby Boy Sign Boy God's spear; Deer's friend
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Octavio
Baby Boy Sign Boy Eighth
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Osvaldo
Baby Boy Sign Boy God's power
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Ozzie
Baby Boy Sign Boy One who has been given divine power
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Oriana
Baby Girl Sign Girl Gold
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Olin
Baby Boy Sign Boy Come to; Take over to; Succeed to
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Odessa
Baby Girl Sign Girl Ukrainian port city Odesa
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Obadiah
Baby Boy Sign Boy Serving Yahweh
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Orson
Baby Boy Sign Boy Bear cub
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Octavius
Baby Boy Sign Boy Eighth son
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Orin
Baby Boy Sign Boy Fair
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Oden
Baby Boy Sign Boy Dearest human being
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Osiel
Unisex Baby Sign Unisex God's strength
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Om
Baby Boy Sign Boy Sacred syllable; Primordial sound; Origin of all sounds
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Ofelia
Baby Girl Sign Girl Help; Advantage
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Oziel
Unisex Baby Sign Unisex Mighty; Powerful; Divine
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Octavian
Baby Boy Sign Boy Eight; Born in the eighth month
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Oona
Baby Girl Sign Girl Lamb; Universal
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Olympia
Baby Girl Sign Girl From the family of God
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Orrin
Baby Boy Sign Boy Color that is highly diluted with white
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Olivier
Baby Boy Sign Boy Olive tree caretaker
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Oswald
Baby Boy Sign Boy One who lives in God's rule
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Omer
Baby Boy Sign Boy Populous; Flourishing
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Ori
Baby Boy Sign Boy My light
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Oswaldo
Baby Boy Sign Boy One who is born with divine power
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Oak
Baby Boy Sign Boy Adorable; Charming; Beautiful
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Oshea
Baby Boy Sign Boy Salvation
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Omri
Baby Boy Sign Boy Package of several things tied together
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Oziah
Unisex Baby Sign Unisex Strength from the Lord
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Omarion
Baby Boy Sign Boy Powerful and fluent orator
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Olyvia
Baby Girl Sign Girl The evergreen olive tree
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Othniel
Baby Boy Sign Boy Strength and Godly
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Olga
Baby Girl Sign Girl Holy; Blessed
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Olen
Baby Boy Sign Boy Private spectator; Secret observer
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Opie
Baby Boy Sign Boy One who like God Almighty
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Osmar
Baby Boy Sign Boy The one who is born with divine glory
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Orla
Baby Girl Sign Girl Golden princess
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Oaklen
Unisex Baby Sign Unisex Strong; Determined; Resilient
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October
Baby Girl Sign Girl King or ruler who assists or helps humanity
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Odysseus
Baby Boy Sign Boy Gentle wind of reality; Breeze of fact
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Ohana
Baby Girl Sign Girl Family
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Oberon
Baby Boy Sign Boy Soul; Purest blood of the heart
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Ojas
Baby Boy Sign Boy The nobleness and the goodness of a person
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Oz
Baby Boy Sign Boy Strong, brave, and famous person
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Octavious
Baby Boy Sign Boy Eighth
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Olliver
Baby Boy Sign Boy One who has features of an olive tree
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Obi
Baby Boy Sign Boy Heart
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Oryan
Unisex Baby Sign Unisex Mountain dweller; Study
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Oaks
Baby Boy Sign Boy The charming Lord; The God is fascinating
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Ousmane
Unisex Baby Sign Unisex God is great; Servant of God
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Olsen
Baby Boy Sign Boy The born son of Olaf
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Othman
Baby Boy Sign Boy A brave person and the chosen one
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Olan
Baby Boy Sign Boy Long-lasting; Not easily destroyed
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Ollivander
Baby Boy Sign Boy Wand maker; Seller
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Odelia
Baby Girl Sign Girl Heritage; Wealth
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Ostin
Baby Boy Sign Boy Great; Magnificent
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Ora
Baby Girl Sign Girl Beautiful seashore
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Orianna
Baby Girl Sign Girl Abounding with fog or mist
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Oran
Baby Boy Sign Boy Tan
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Oliviana
Baby Girl Sign Girl One who always cares for an olive tree
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Orian
Unisex Baby Sign Unisex Brightness; Hunter
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Owyn
Unisex Baby Sign Unisex Unknown or uncertain origins
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Omere
Unisex Baby Sign Unisex Eloquent; Articulate
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Oryn
Unisex Baby Sign Unisex Light; Pine tree
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Oisin
Baby Boy Sign Boy Sorrows
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Ole
Baby Boy Sign Boy Framework that supports climbing plants
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Omir
Baby Boy Sign Boy Strength; Leadership
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Oceana
Baby Girl Sign Girl Enchanting king
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Obert
Baby Boy Sign Boy The one who believes that there is only One Allah
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Oakes
Baby Boy Sign Boy Charming sir; Charming man
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Orhan
Baby Boy Sign Boy Meek in spirit and manner
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Osias
Baby Boy Sign Boy Salvation; God saves
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Owais
Baby Boy Sign Boy A wolf; The best companion of the Prophet
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Olyver
Baby Boy Sign Boy ELF cadre or the same as the olive tree
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Ovidio
Baby Boy Sign Boy Someone who is like a sheep
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Ozan
Baby Boy Sign Boy A bard; a storyteller and a composer
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Olena
Baby Girl Sign Girl Divided moment; Riven second
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Ona
Baby Girl Sign Girl Wave
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Ottilie
Baby Girl Sign Girl Wealth; Prosperity
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Oliva
Baby Girl Sign Girl The peace of the olive tree
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Baby names that start with O offer diversified choices across cultures and geographical regions. You will also find aesthetically appealing names that follow the modern trend and some simple and complex traditional names. It also provides names inspired by nature, mythology, topography, and habitations. So, whether you are looking for classic names, stylish names, short names, or those with cultural and historical significance or appeal, this extensive list will surely help you discover the most suited name for your little one.

Infographic: Popular Baby Names With The Letter O

Explore our selection of optimistic names beginning with the letter O in this infographic. From modern to traditional, all names are gender-specific and are given with meanings and origins. So, pick one that resonates with your interest and belief.

baby names that start with o (infographic)

Illustration: Momjunction Design Team

Frequently Asked Questions

1. Are there any nature-inspired names that start with letter O?

Several nature-inspired names start with the letter O. Examples include Ocean meaning 'sea,’ Oakleigh signifying ‘from the oak meadows,’ Ogha denoting ‘sea,’ Ogoro meaning ‘frog,’ Oindrila signifying 'water,’ Oldrik translating to ‘the blue hill,’ and Oram meaning ‘near to the sea or river.’

2. Are there any O letter names that mean ‘joy’ or ‘happiness’?

Several names start with the letter O that mean ‘joy’ or ‘happiness.’ Examples include Osher, Onea, Oninddo, Oline, Olina, Olana, Olani, and Odunayo.

3. Are there any famous historical figures with names starting with O?

Yes, there are several famous historical figures with names starting with the letter O. Examples include Olaf Tryggvason, a King of Norway known for spreading Christianity in Norway; Octavian, the founder of the Roman Empire; Oda Nobunaga, a powerful Japanese daimyō; and Otto von Bismarck, the first Chancellor of Germany.

References

MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.
  1. Popular names of the period 2000s.
    https://www.ssa.gov/OACT/babynames/decades/names2000s.html
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