450+ Baby names that start with ‘O’ – Pick Your Favorite One

Welcome to our comprehensive list of over 400 O names! Whether you are searching for the perfect name for your newborn, looking to change your own name, or even seeking inspiration for a character in a story or game, we have got you covered. With a wide range of origins, meanings, and styles, the assortment of O names is sure to provide you with a plethora of options to choose from.

The letter O holds a certain charm that has fascinated people for centuries. It carries a sense of warmth, optimism, and openness. From traditional classics to unique and modern choices, O names offer a diverse array of options that resonate with different cultures and personal preferences.

If you are drawn to names with a timeless aura, you will find numerous options steeped in history. Explore ancient Greek names like Odysseus and Olympia, or delve into Roman classics such as Octavius and Olivia. For a touch of elegance, consider French names like Olivier or Ophélie. And if Scandinavian names catch your fancy, you can’t go wrong with Olaf or the beautiful and ethereal name, Ovidia.

If you lean towards more contemporary and trendy names, our list also includes plenty of options to choose from. From the whimsical and playful Oliver to the charming and unique Octavia, there are many names that are both modern and timeless. Whether you prefer short and snappy options like Owen or longer and elaborate choices like Ophelia, you are sure to find a name that perfectly suits your taste.

So, whether you are searching for a name that exudes strength, elegance, creativity, or versatility, you will find a wide variety of choices in our comprehensive list of O names. Explore the possibilities and embark on an exciting journey to find the perfect name that will resonate with you or your loved one for years to come.

Aesthetic O names

  1. OrchidWhisper
  2. OpalGlow
  3. OasisDreams
  4. OliveWisp
  5. OnyxVelvet
  6. OceanaBreeze
  7. OpheliaMoon
  8. OrionTwilight
  9. Oceaneer
  10. OrientalTea
  11. OpulentGlimmer
  12. OasisSerene
  13. OmbreWhisper
  14. OrchardBliss
  15. OceanicAura
  16. ObsidianMyst
  17. OracleSerenity
  18. OleanderWish
  19. OpalescentSoul
  20. OutlandishVibes
  21. OceanWhirl
  22. OuroborosEcho
  23. OasisWhisper
  24. ObscureGlow
  25. OnyxHarmony
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Baddie O names

  1. BaddieO1: Bl@ZinGQueeN
  2. BaddieO2: InfamouzAzz@ssin
  3. BaddieO3: VixenV@mp
  4. BaddieO4: S@vag3Gr@ce
  5. BaddieO5: R@venousD@rKness
  6. BaddieO6: XcessiveLove
  7. BaddieO7: SinfulDesireX
  8. BaddieO8: RebelSoul
  9. BaddieO9: S@ssM@sterX
  10. BaddieO10: FierceFeline
  11. BaddieO11: Vi0lentDelight$
  12. BaddieO12: V@lkyrieVengeance
  13. BaddieO13: D@rkKn!ghtess
  14. BaddieO14: CruelIntentionsX
  15. BaddieO15: P0is0nIvy
  16. BaddieO16: R@gebornQueen
  17. BaddieO17: Slaybelle
  18. BaddieO18: N1ghtshade
  19. BaddieO19: D@ngerousD!va
  20. BaddieO20: Reckle$$Rose
  21. BaddieO21: V3n0mousVixen
  22. BaddieO22: WickedWhisper
  23. BaddieO23: Th0rnedQueen
  24. BaddieO24: Serpent$trike
  25. BaddieO25: Sinist3rSiren

Best O names

  1. Oceana_Blue
  2. Omega_Glitch
  3. Orion_Star
  4. Ophelia_Rose
  5. Optimus_Prime
  6. Olympus_God
  7. Obsidian_Ninja
  8. Oblivion_Dreamer
  9. Oasis_Wanderer
  10. Oracle_Vision
  11. Ozone_Burst
  12. Onyx_Shadow
  13. Oblisk_Strike
  14. Orbit_Spark
  15. Octavia_Song
  16. Outlaw_Bandit
  17. Overdrive_Fury
  18. Opal_Sparkle
  19. Outer_Space
  20. Oasis_Mirage
  21. Obliterate_Gamer
  22. Osiris_Sultan
  23. Oxymoron_Jester
  24. Onyx_Moonstone
  25. Obsidian_Wolf

Catchy O names

  1. OblivionQueen
  2. OmegaWarrior
  3. OminousShadow
  4. OceanDreamer
  5. ObsidianGaze
  6. OutlawedLegend
  7. OrionStarfall
  8. ObliteratedSoul
  9. OracleWhisper
  10. ObsessiveEnigma
  11. OriginalRisk
  12. OsirisPhoenix
  13. OminousVortex
  14. OutlandishExplorer
  15. ObliviousWanderer
  16. OuroborosHaven
  17. OnyxDragonfly
  18. OverlordReaper
  19. OpulentEmpress
  20. OctaneGoddess
  21. OmegaBlaze
  22. ObsoleteVictor
  23. OuroborosSerpent
  24. OasisHuntress
  25. OutrageousPower
  26. OlympusGuardian

Chill O names

  1. BlissfulSerenity
  2. ChillOutZone
  3. MellowVibes
  4. TranquilDreams
  5. FrostyBreeze
  6. LaidBackLagoon
  7. SoothingMelodies
  8. CoolCalmCollective
  9. ChilledGuru
  10. RelaxedState
  11. EasygoingSoul
  12. ZenfulWhisper
  13. TranquilitySeeker
  14. ChillaxMaster
  15. SerenadeMeNow
  16. LazyDayLover
  17. CalmSeaBreeze
  18. IcyCalmness
  19. ChillPillPopper
  20. HarmoniousHearts
  21. SnoozySunset
  22. SereneOasis
  23. ChillModeActivated
  24. MindfulMeditator
  25. ChillaxingChampion
  26. SerenitySkies

Classy O names

  1. Ophelia
  2. Oscar
  3. Olivia
  4. Octavia
  5. Owen
  6. Ophira
  7. Orlando
  8. Olympia
  9. Odette
  10. Oren
  11. Oceana
  12. Olivier
  13. Onyx
  14. Ophidian
  15. Orpheus
  16. Oriana
  17. Ozias
  18. Oceane
  19. Oriole
  20. Orion
  21. Odessa
  22. Ozlem
  23. Opal
  24. Oisin
  25. Ouida
  26. Omari

Cool O names

  1. OsirisX
  2. Octavia
  3. Oblivion
  4. Ophelia
  5. Orion
  6. Oculus
  7. Onyx
  8. Oceanic
  9. Oracle
  10. Ozzy
  11. Olympus
  12. Oleander
  13. Obsidian
  14. Outlaw
  15. Oasis
  16. Oxygen
  17. Overture
  18. Obnoxious
  19. Olympian
  20. Opulent
  21. Onslaught
  22. Orenda
  23. Ophidian
  24. Overdrive
  25. Obi-Wan
  26. Orbit

Creative O names

  1. OmegaGoddess
  2. OblivionKnight
  3. ObsidianDragon
  4. OceanWhisper
  5. OminousVortex
  6. OrientalFlame
  7. OrionStargazer
  8. OminousEnigma
  9. OcelotNinja
  10. OpulentEmpress
  11. OnyxShadow
  12. OutlawBandit
  13. OlympianLegend
  14. OrbitingComet
  15. OasisQueen
  16. OrchidKiss
  17. ObscureHarmony
  18. OzoneSpark
  19. OpticFusion
  20. OceaanicDreamer
  21. OutcastHero
  22. OasisWanderer
  23. OmniWarrior
  24. OverdriveJester
  25. OnyxLyric
  26. OrbitalNova

Creepy O names

  1. ObsidianShadow
  2. OracleOfNightmares
  3. OminousWhisper
  4. OblivionCrawler
  5. OpalNightshade
  6. OctaviaGloom
  7. OutcastSpecter
  8. OpheliaWraith
  9. OculusGrim
  10. OberonCrypt
  11. OnyxSilhouette
  12. OrwellianPhantom
  13. ObscureEntity
  14. OuroborosCurse
  15. OminousEyes
  16. OrpheusLament
  17. OccultRaven
  18. OsirisChaos
  19. OphisNoir
  20. OblivionVessel
  21. OnslaughtGhost
  22. OliverGrave
  23. OverlordDarkness
  24. OvercastSoul
  25. OberynReaper
  26. OctaviaHex

Cute O names

  1. OliveYouMore
  2. OhSoCharming
  3. OverTheMoon
  4. OneInAMelon
  5. OctoCutie
  6. OodlesOfJoy
  7. OrangeBlossom
  8. OutstandingOwl
  9. OriginalitySparks
  10. OceanWhisperer
  11. OopsyDoodle
  12. OohLaLaCutie
  13. OddlyAdorable
  14. ObsessedWithOwls
  15. OnCloudNine
  16. OptimisticOtter
  17. OhSoDreamy
  18. OmNomNomster
  19. OatmealCookie85
  20. OnlyOneLove
  21. OutrageouslyCute
  22. OrbitingStars
  23. OwlEyeCandy
  24. OverflowingLove
  25. OohBabyBaby
  26. OctopusCuddles
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Edgy O names

  1. ObsidianEdge
  2. OminousOverture
  3. OblivionStrike
  4. OutlawOmega
  5. OphidianVenom
  6. OrionNebula
  7. ObliviousVortex
  8. OcelotX
  9. OnyxShade
  10. OmegaSire
  11. OutrageousX
  12. ObliterationX
  13. OpalRaven
  14. OutcastZero
  15. OrcaFury
  16. Oathbreaker666
  17. OctaneKiller
  18. OverkillZ
  19. ObnoxiousOutlier
  20. ObliviousSwirl
  21. OnslaughtX
  22. OutlawVengeance
  23. OverdoseX
  24. OminousShadow
  25. OrpheusReaper
  26. ObliviousStorm

Female O names

  1. Olivia
  2. Olga
  3. Ophelia
  4. Octavia
  5. Odette
  6. Orla
  7. Oriana
  8. Olympia
  9. Oona
  10. Odelia
  11. Oksana
  12. Olesia
  13. Oleander
  14. Odelina
  15. Oriole
  16. Ondine
  17. Olena
  18. Odessa
  19. Olesia
  20. Ophira
  21. Orielle
  22. Olya
  23. Orlaith
  24. Orietta
  25. Oceane
  26. Olesia

Funny O names

  1. OscarTheGrouch
  2. OhNoNotAgain
  3. OmeletteDuFromage
  4. ObiWanKannabis
  5. OrangeJuiceAddict
  6. OopsIAteItAgain
  7. OffkeyCrooner
  8. OutrageousOverlord
  9. OctopusWhisperer
  10. OopsIDidItFarted
  11. OvercaffeinatedOreo
  12. OptimisticOstrich
  13. ObnoxiousOtter
  14. OutofSyncOpera
  15. ObliviousObstacle
  16. OreoLover123
  17. ObligatoryOscar
  18. OverlyAttachedOstrich
  19. OopsWhoDis
  20. OompaLoompaDoompityDoo
  21. ObnoxiousOnion
  22. OutrageouslyLazy
  23. OverdramaticOctopus
  24. OopsYouDidItAgain
  25. ObservantOwl
  26. OptimisticOutlook

Gangster O names

  1. Oscar The Knife O’Reilly
  2. Oliver The Owl O’Sullivan
  3. Octavio The Octopus Ortega
  4. Odessa Madam O O’Connor
  5. Oswald The Oracle Olsen
  6. Ollie The Ox Ortega
  7. Orlando The Original O’Connor
  8. Opal The Operator O’Sullivan
  9. Omar Old School O’Reilly
  10. Ophelia The Orchid Ortiz
  11. Oswin The Outlaw Olsen
  12. Odin The Omega O’Connor
  13. Ozzy The Overlord O’Sullivan
  14. Olympia The Obsidian Ortega
  15. Osbert The Ominous Olsen
  16. Opie The Outcast O’Reilly
  17. Oriana The Orchestrator Ortiz
  18. Oscar The Outrageous O’Connor
  19. Oasis The Onyx O’Sullivan
  20. Orson The Outspoken Ortega
  21. Oz The Opportunist Olsen
  22. Ophelia The Outsider O’Reilly
  23. Othello The Overthrower Ortiz
  24. Ozzie The Oxymoron O’Connor
  25. Olympus The Orator O’Sullivan
  26. Octavia The One Ortega

Good O names

  1. OrionKnight
  2. OpheliaRose
  3. OscarTheGreat
  4. ObsidianSoul
  5. OliveBranch
  6. OctaviusPrime
  7. OceanDreamer
  8. OlympusRuler
  9. OceanicWanderer
  10. OasisQueen
  11. OpalineStar
  12. OnyxShadow
  13. OutlawedBandit
  14. OracleVision
  15. OrbitMaster
  16. OwlHeart
  17. OblivionKnight
  18. OmegaWarrior
  19. OutrageousMind
  20. OceanSongbird
  21. ObliviousDreamer
  22. OsirisPharaoh
  23. OrchidWhisperer
  24. OverflowingJoy
  25. OnyxPhoenix
  26. OasisWanderlust

Great O names

  1. Ophelia
  2. Orion
  3. Oscar
  4. Olympia
  5. Owen
  6. Olive
  7. Octavia
  8. Omar
  9. Odette
  10. Oswald
  11. Olinda
  12. Oriana
  13. Omarion
  14. Oriole
  15. Ozzy
  16. Oksana
  17. Oren
  18. Olivier
  19. Odelia
  20. Onyx
  21. Otis
  22. Oceana
  23. Oberon
  24. Ophira
  25. Osiris
  26. Orla

Grunge O names

  1. Oblivionx
  2. ObsidianX
  3. OutlawedSoul
  4. OvercastMind
  5. OminousZero
  6. OnyxRaven
  7. OldSoul
  8. OneEyedJack
  9. OceanicDoom
  10. OutcastedRose
  11. OrphanedEcho
  12. ObliteratedDreams
  13. OpulentMisfit
  14. OvergrownThorn
  15. OutsiderVortex
  16. OminousScars
  17. OutcastShadow
  18. OctoberRage
  19. ObscureDesire
  20. Overloadedx
  21. ObliviousNoise
  22. Oakhearted
  23. OutsiderSerenade
  24. OutlawedWhisper
  25. OminousWren
  26. ObsidianTears
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Male O names

  1. Oscar23
  2. Oliver$
  3. OwenSmith
  4. Omar_TheGreat
  5. Orion007
  6. OrlandoK
  7. OswaldP
  8. Omarosa
  9. OllieBoi
  10. OzzyBoy
  11. OnyxKnight
  12. Outlaw_Olaf
  13. Omega24
  14. OmarionX
  15. OrionRider
  16. OisinM
  17. OzzieG
  18. OzzyOsbourne
  19. OlafViking
  20. OscarWilde
  21. OrsonW
  22. OrbitMan
  23. OneManArmy
  24. ObsidianShadow
  25. OwenGriffin

Mythical O names

  1. Olympia
  2. Oberon
  3. Orpheus
  4. Ophelia
  5. Odessa
  6. Omega
  7. Oasis
  8. Oberia
  9. Onyx
  10. Osiris
  11. Orion
  12. Ophidian
  13. Oceana
  14. Oracle
  15. Orabella
  16. Oriana
  17. Osia
  18. Octavia
  19. Oberyn
  20. Ozymandias
  21. Obsidian
  22. Onora
  23. Odin
  24. Orianthi
  25. Oberynne
  26. Oceanea

New O names

  1. Ophelia
  2. Oscar
  3. Olivia
  4. Owen
  5. Olive
  6. Orion
  7. Oceana
  8. Omar
  9. Olympia
  10. Odette
  11. Oswald
  12. Octavia
  13. Omarion
  14. Odessa
  15. Odin
  16. Oksana
  17. Oxford
  18. Onyx
  19. Oona
  20. Orlando
  21. Opal
  22. Oriana
  23. Ozzy
  24. Orla
  25. Osmond
  26. Olivette

One Word O names

  1. Oasis
  2. Octane
  3. Oracle
  4. Oblivion
  5. Ocean
  6. Omega
  7. Onyx
  8. Opal
  9. Orbit
  10. Orion
  11. Outlaw
  12. Oyster
  13. Ozone
  14. Odyssey
  15. Orca
  16. Oath
  17. Overflow
  18. Ogre
  19. Optic
  20. Oasis@
  21. Oblivion#
  22. Octane!
  23. Oracle$
  24. Opal%
  25. Outlaw^

O names FAQs