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200 Baby Girl Names That Start With O

From unique and vintage names to more popular name options, here are 200 baby girl names starting with the letter O.

Updated May 20, 2024

by Alina Hodkinson

Additional contribution by Stefanie Miller

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During pregnancy, we constantly find ourselves making big decisions. Those decisions may seem daunting, but finding the joys within them is important. While naming your newborn may be one of those daunting decisions, it’s also one of the most exciting! Narrowing down your choices can be challenging, but luckily, we’re here to help you choose the perfect name. If you already know that you’re interested in girl names that start with O, or if you’re browsing all the letters to spark some inspiration, this list of O girl names will surely start you off on the right track!

Baby Girl Names That Start With O

You may be thinking of going more traditional with a name like Olivia, or you might be on the hunt for something unique like Oletta. Either way, you’re sure to find the name that suits your baby best:

10 Popular Girl Names That Start With O

Olivia is by far the most popular name on this list, not only for O girl names but for girl names overall.1 Still, while O may be one of the most unique letters in the alphabet, there are some popular and beautiful options to choose from.

1. Oakley — English for “oak wood or clearing.”

2. Oaklynn — This name means “oak lake” in English.

3. Ocean — A Greek name meaning “sea.”

4. Octavia — Latin for “eighth.”

5. Olive — An English name for “olive tree.”

6. Olivia — This name means “olive tree” in Latin.

7. Ollie — This name is also Latin for “olive tree.”

8. Onyx — In Greek, this name means “claw” or “nail.” It’s also a black gemstone.

9. Opal — This name means “gem” in Sanskrit.

10. Ophelia — In Greek, this name means “help.”

10 Common Girl Names That Start With O

These may not be the most popular O names for girls, but it’s easy to see why parents think they’re so special! Take a look at these common baby girl names to see if any catch your eye.

1. Oaklee — An English name meaning “oak clearing.”

2. Oaklyn — This name means “oak lake” in English.

3. October — Latin for “eighth.” October was the eighth month on the Roman calendar.2

4. Odessa — This name means “long journey” in Greek and Latin.

5. Odette — French for “wealthy.”

6. Olympia — This name means “from Mount Olympus” in Greek.

7. Omega — Greek for “last.”

8. Oona — An Irish name meaning “lamb.”

9. Oriana — This name means “dawn” in Latin.

10. Orla — This Irish name means “golden princess.”

8 Biblical Girl Names That Start With O

You can find each of these baby girl names in the Bible. While they’re not very common, these girl names starting with O may still be recognizable.

1. Odeen — Hebrew for “praises.”

2. Ohawna — In Hebrew, this name means “God’s gracious gift.”

3. Oksana — This name means “praise to God” in Hebrew and Russian.

4. Olivette — Latin for “olive tree.”

5. Oralee — A French name meaning “the golden one.”

6. Orpah — This name means “a fawn” in Hebrew.

7. Osma — This Scandinavian name means “God’s protection.”

8. Oswalda — English for “God’s power.”

12 Vintage Girl Names That Start With O

These names have great vintage flair! If you’re looking for an O girl name, choose one of these options that are certainly due for a comeback.

1. Odelia — Hebrew for “I will praise the Lord” and German for “wealth.”

2. Olga — A Slavic name meaning “holy.”

3. Ondine — This name means “little wave” in Latin.

4. Opaline — In Sanskrit, this name means “gem.”

5. Ophira — Hebrew for “gold.”

6. Oprah — This name means “a fawn” in Hebrew.

7. Orenthia — A Latin name meaning “to excite or stir the mind.”

8. Orinda — Greek for “pine trees.”

9. Orinthia — This name also means “to excite or stir the mind” in Latin.

10. Orlaith — An Irish name meaning “golden princess.”

11. Ortensia — Latin for “of the garden.”

12. Ottilie — German and French for “prosperous in battle.”

26 Cute Girl Names That Start With O

All of these names are so adorable. Not only do they sound cute, but some of them also have sweet meanings!

1. Oak — Old English for the tree in the genus of the same name.

2. Oakland — An English name for someone who lived near oak trees.

3. Oba — This Nigerian name means “ruler” or “river goddess.”

4. Obi — This name means “heart” in Igbo.

5. Ocie — Latin for “chaste” and Greek for “ocean.”

6. Oda — A Scandinavian name meaning “I will praise the Lord.”

7. Ohana — This Hawaiian name means “family.”

8. Olea — Latin for “olive.”

9. Oli — This name means “olive tree” in English.

10. Olsen — A Scandinavian name meaning “Olaf’s son.”

11. Olwen — In Welsh, this name means “white footprint.”

12. Onie — Hebrew for “God has favored me.”

13. Ono — This name means “small field” in Japanese.

14. Oola — The meaning of this name is “the first” in Arabic and “scarlet” in Hawaiian.

15. Opa — This name means “owl” in Choctaw.

16. Ophelie — French for “help.”

17. Orlene — A French name meaning “the golden one.”

18. Oretta — Greek for “virtuous.”

19. Oriel — In Latin, this name means “golden.”

20. Orly — This Irish name means “golden princess.”

21. Orphie — This name means “a fawn” in Hebrew.

22. Oskie — An Armenian name meaning “gold.”

23. Otter — This name is inspired by the animal, and it means “water” in Old English.

24. Ovi — Spanish and Italian for “sheep.”

25. Owen — This Welsh name means “well-born” or “young warrior.”

26. Ozzie — This name means “divine” in English and German.

29 Pretty Girl Names That Start With O

A beautiful girl deserves a gorgeous name to match! Each of these girl names starting with O delivers and would make a spectacular choice for your baby.

1. Obax — This name means “as delicate as a flower” in Somali.

2. Obioma — A Nigerian name meaning “kindhearted.”

3. Ocarina — This is the name of a wind instrument. It also means “small goose” in Italian.

4. Oceania — Greek for “ocean.”

5. Octavianne — This name means “eighth” in Latin.

6. Odele — An English and Greek name meaning “song.”

7. Odetta — German for “wealthy.”

8. Oilell — This is the name of a queen in Irish mythology.

9. Okuhle — The meaning of this name is “beautiful” in Zulu.

10. Oleander — Greek for “evergreen tree.”

11. Olena — A Ukrainian name meaning “torch” or “shining light.”

12. Olexa — This name means “defending men” in Polish.

13. Omaira — An Arabic name meaning “long life” or “red.”

14. Omarosa — A Nigerian name that means “my beautiful child.”

15. Ondrea — This Czech name means “strong.”

16. Onika — This name means “Who is greater than God?” in Igbo.

17. Onora — Latin for “honor.”

18. Ontario — An Iroquoian name meaning “sparkling water.”

19. Orangetta — This is a Latin name for the orange color and fruit.

20. Orchid — Latin for “orchid flower.”

21. Orella — In Latin, this name means “oracle.”

22. Oria — Greek for “soft breeze.”

23. Oriane — This name means “sunrise” in French.

24. Orina — A Russian name meaning “peace.”

25. Orphia — In Greek, this name means “beautiful voice.”

26. Orvokki — This English flower name also means “thought” in French.

27. Oshin — This name means “little deer” in Manx, a Celtic language.

28. Osotse — This name means “beautiful one.” The language of origin is unknown.

29. Ostava — A Czech name meaning “swiftly flowing river.”

50 Unique Girl Names That Start With O

If you want to steer clear of your baby girl sharing a name with her classmates, names starting with O make excellent choices. These unique names have a lot of charm and would fit any girl!

1. Ochre — Greek and English for “pale yellow.”

2. Odeda — This name means “courageous” in Hebrew.

3. Odelette — An English and Greek name meaning “song.”

4. Odelinda — Hebrew for “I will praise the Lord” and German for “wealth.”

5. Odeline — This name also means “song” in English and Greek.

6. Odell — This English name means “of the valley.”

7. Odolia — In French, this name means “prospers in battle.”

8. Olaug — An Old Norse name meaning “of the ancestors.”

9. Olayinka — This name means “wealth surrounds me” in Yoruba.

10. Oleen — Hawaiian for “joyous.”

11. Oleksandra — A Ukrainian name meaning “defender of men.”

12. Oletha — The meaning of this name is “nimble” in English and “truth” in Greek.

13. Olevia — Latin for “olive tree.”

14. Olida — This name also means “olive tree” in Latin.

15. Olinda — The meaning of this name is “wild fig tree” in Greek and “protector” in Spanish.

16. Olisa — In Igbo, this name means “the Lord who bears the weight of the world.”

17. Olla — A Polish name meaning “defender of men.”

18. Olva — This name means “olive tree” in Latin.

19. Ombretta — This Italian name means “shadow.”

20. Omid — Persian for “hope.”

21. Omolara — This name means “born at the right time” in Yoruba.

22. Omyra — This is the Latin name for “myrrh,” a multipurpose resin used for perfume and medicine.

23. Onalerona — This name means “He is with us” in Tswana.

24. Onita — Latin for “strong.”

25. Onorine — An Irish Gaelic name meaning “honor.”

26. Onyinye — In Igbo, this name means “God’s gift.”

27. Or — Hebrew for “light.”

28. Orah — This name means “prayer” in Latin.

29. Orange — An English and French word referring to the color and fruit.

30. Orazia — In Spanish, this name means “timekeeper.”

31. Oreana — Latin for “sunrise.”

32. Orestina — This name means “of the mountains” in Italian.

33. Orlanda — Spanish and Italian for “famous throughout the land.”

34. Orna — An Irish name meaning “little pale green one.”

35. Ornette — French for “little eagle.”

36. Orpa — This name means “a fawn” in Hebrew.

37. Orya — Russian for “light.”

38. Osane — This name means “cure” in Basque and “health” in Spanish.

39. Osanna — In Latin, this name means “praise the Lord.”

40. Osei — This name means “noble” in Ghanaian and Akan.

41. Oslo — Old Norse for “meadow at the foot of a hill.”

42. Osyth — An English name meaning “god war.”

43. Otgonbayar — This Mongolian name means “youngest joy.”

44. Otilia — Spanish for “wealth” and Romanian for “fatherland.”

45. Otthild — This name means “prospers in battle” in German.

46. Ottavia — In Italian, this name means “eight.”

47. Ourania — Greek for “heavenly.”

48. Ozara — This name means “treasure” or “wealth” in Hebrew.

49. Ozias — A Greek name meaning “salvation.”

50. Ozma — This invented name means “princess of Oz” in English.

55 Rare Girl Names That Start With O

Take a look at some of these hidden gems! These O girl names may be the rarest of the bunch, but don’t sleep on these great choices.

1. Oanez — Breton for “lamb.”

2. Obdulia — A Spanish and Latin name meaning “God’s servant.”

3. Octiana — This name means “eighth” in Latin.

4. Oddny — A Norwegian name meaning “new point.”

5. Odile — French for “prospers in battle.”

6. Oenone — This name means “wine” in Greek.

7. Ofeera — A Hebrew name meaning “gold.”

8. Ofelia — Greek for “help.”

9. Ofelja — This name also means “help” in Greek.

10. Ofrat — In Hebrew, this name means “fawn.”

11. Ofrit — This name also means “fawn” in Hebrew.

12. Ogechi — Igbo for “God’s time.”

13. Oghenekaro — This name means “God first” in Urhobo.

14. Ogive — A French name meaning “combat.”

15. Oheo — An Iroquoian name that means “beautiful.”

16. Oighrig — This Scottish Gaelic name means “speckled.”

17. Ojasvee — This name means “energetic” in Sanskrit.

18. Olaniyi — In Yoruba, this name means “glory is in wealth.”

19. Oleda — Latin for “winged.”

20. Olesya — A Slavic name meaning “holy.”

21. Oletta — This name means “nobility” in Old German.

22. Olgica — A Croatian name meaning “holy.”

23. Oliffe — English for “olive tree.”

24. Olivera — This Serbian and Croatian name also means “olive tree.”

25. Olivine — This name means “olive” in Latin.

26. Olof — Norse for “ancestor’s relic.”

27. Oluluaboe — This name is of Yoruba origin, but its meaning is unknown.

28. Oluremi — In Yoruba, this name means “God comforts me.”

29. Olusola — This name means “God makes wealth” in Yoruba.

30. Olutosin — A Nigerian name meaning “God is worthy of praise.”

31. Oluwadamilola — This name means “the Lord has made me wealthy” in Yoruba.

32. Olwethu — This name means “ours” in Zulu and Xhosa.

33. Omoaregha — Yoruba for “our child is our pride.”

34. Omusupe — This name means “precious,” and the language of origin is unknown.

35. Omvati — The meaning of this name is “sacred” or “having the power of Om” in Sanskrit.

36. Onatah — This name of Iroquois origin means “daughter of the earth.”

37. Onawa — This Native American name means “wide awake.”

38. Onezime — A Creole name meaning “beneficial.”

39. Oralis — French for “the golden one.”

40. Orbona — This is the name of the goddess of children in Roman mythology.

41. Ordell — This name means “little knife” in Old English.

42. Orel — In Hebrew, this name means “light of God.”

43. Orit — This name means “light” in Hebrew.

44. Ororo — This name means “soft” or “sensitive” in Swahili.

45. Orpita — A Hindi name meaning “offering.”

46. Orquidea — Spanish and Portuguese for “orchid.”

47. Orsola — This name means “little female bear” in Italian.

48. Otamisia — A Spanish and Greek name meaning “perfect.”

49. Otzarah — Hebrew for “wealth” or “treasure.”

50. Ouida — This name means “famous warrior” in French.

51. Ovelia — Greek for “help.”

52. Oyuki — This name means “snow” in Japanese.

53. Oyuun — In Mongolian, this name means “wisdom.”

54. Ozell — English for “divine strength.”

55. Ozgur — A Turkish name meaning “free” or “independent.”

You have many gorgeous options if you’re looking for an O girl name! Whether you want to name her after celebrities like Olivia Rodrigo or opt for something more unisex like Ollie, you’re sure to find something perfect. If any of these names spoke to you, jot them down and add them to your list.

Be sure to also take a peek at some of our other baby name lists, like our coolest baby girl names, flower names for girls, cute girl names, rare girl names, and beautiful girl names. Have fun choosing a name you love for your baby girl!

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Alina is a Journalism graduate and a mom blogger living in Ontario, Canada. She is also a wife and a mom to a 4-year-old little boy. She is most passionate… Read more

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