Girl Dog Names That Start With O

  1. Olivia
    • Origin:

      Latin
    • Meaning:

      "olive tree"
    • Description:

      Olivia, a lovely Shakespearean name with an admirable balance of strength and femininity, is the Number 1 name for baby girls in the US and one of the top girls' names around the world.
  2. Ophelia
    • Origin:

      Greek
    • Meaning:

      "help"
    • Description:

      Floral, elegant, and bold, Ophelia re-entered the US Top 1000 in 2015 after more than 50 years off the charts. It has risen more than 700 spots since then and shows no signs of slowing down. Now in the US Top 300, could Ophelia one day become the next Olivia or Amelia?
  3. Ottilie
    • Origin:

      German, French
    • Meaning:

      "prosperous in battle"
    • Description:

      Ottilie is trending in the UK, where the pronounced T helps the name sound pretty and delicate, rather like Amelie and Elodie. Ottilie is less popular in the US, where many Americans pronounce it as a near-homonym for "oddly".
  4. Odette
    • Origin:

      French, from German
    • Meaning:

      "wealthy"
    • Description:

      Odette is the good swan in Tchaikovsky's ballet Swan Lake, a role for which Natalie Portman won an Oscar ---and it would make a particularly soigne, sophisticated yet upbeat choice, unlike some of the more dated other 'ette'-ending names.
  5. Olive
    • Origin:

      English, from Latin, nature name
    • Meaning:

      "olive tree"
    • Description:

      Though greatly overshadowed by the trendy Olivia, Olive has a quiet, subtle appeal of its own -- and is now enjoying a remarkable comeback. Olive is one of only four girl names starting with O on the US Top 1000. Cool couple Isla Fisher and Sacha Baron Cohen chose it for their daughter, reviving the name to stylishness, and now Drew Barrymore has a little Olive too, as has country singer Jake Owen.
  6. Oona
    • Origin:

      Irish, variation of Una
    • Meaning:

      "lamb"
    • Description:

      Oona is a name made famous by Eugene O'Neill's daughter, who became Charlie Chaplin's wife. One of the original Oona's granddaughters was named after her, and is now an actress famous in her own right for playing Talisa of Volantis in HBO's "Game of Thrones." The double-o beginning gives their name a lot of oomph.
  7. Octavia
    • Origin:

      Latin
    • Meaning:

      "eighth"
    • Description:

      Octavia began as the Latin, then Victorian name for an eighth child. While there aren't many eighth children anymore, this ancient Roman name has real possibilities as a substitute for the overused Olivia; recommended for its combination of classical and musical overtones. It was chosen for his daughter by Kevin Sorbo.
  8. Orla
    • Origin:

      Irish
    • Meaning:

      "golden princess"
    • Description:

      Orla is an Irish name closely associated with the high king Brian Boru, as it was the name of his sister, daughter and niece. It was very popular in the Middle Ages – the fourth most popular name in twelfth century Ireland – and has become popular again in Ireland, Scotland, England and Wales today. In Irish, the name is commonly spelled Orlaith or Orlagh.
  9. Opal
    • Origin:

      Sanskrit
    • Meaning:

      "gem"
    • Description:

      Opal is on the verge of a repolishing, following other jewel names like Ruby and Pearl. A Top 100 name during the first two decades of the twentieth century, the opalescent Opal has a good chance of coming back as another O-initial option.
  10. Oriana
    • Origin:

      Latin
    • Meaning:

      "dawn"
    • Description:

      Oriana is a dashing medieval name, with a meaning similar to Aurora. At this point, though, Oriana is much more unusual than Aurora and makes a unique choice if you're searching for names that mean new beginnings or dawn.
  11. Olympia
    • Origin:

      Greek
    • Meaning:

      "from Mount Olympus"
    • Description:

      With its relation to Mount Olympus, home of the Greek gods, and to the Olympic games, this name has an athletic, goddess-like aura, making it the perfect Olivia substitute.
  12. Oakley
    • Origin:

      English
    • Meaning:

      "oak wood or clearing"
    • Description:

      Oakley, with its nature name roots and its Annie Oakley charm, is a hot name for both genders but more than twice as popular for girls. This name made it into the Top 1000 for the first time in 2013, one of only four girl names starting with O to rank that high. A decade letter, it's aiming for the Top 100.
  13. Olga
    • Origin:

      Slavic variation of Helga, Norse
    • Meaning:

      "holy"
    • Description:

      This Slavic form of the Norse name Helga is a classic in many Slavic countries, including Russia and Poland, where it currently ranks within the Top 100 girl names. It has historically ranked among the most popular names in countries including Ukraine, Latvia, Spain, France, Serbia, Greece, the US, and many more. Olga is a common name even in Scandinavian countries, such as Sweden and Norway, despite Helga being a more traditional choice. Olha is the uniquely Ukrainian variation.
  14. Onyx
    • Origin:

      Word name
    • Meaning:

      "gem stone; claw, nail"
    • Description:

      Onyx is a fresh and trending gemstone name for boys, currently in the US Top 500, having climbed the charts rapidly since 2018. Now, an increasing number of girls are receiving the name, with a recent count revealing nearly 200 baby girls were called Onyx in 2023.
  15. Ottoline
    • Origin:

      French and English, diminutive of Ottolie
    • Meaning:

      "prospers in battle"
    • Description:

      Curiously appealing, in a hoop-skirted, wasp-waisted way, Ottoline has recently entered the realm of modern possibility, especially since Sienna Miller chose it as the middle name of her daughter Marlowe.
  16. October
    • Origin:

      English word name
    • Meaning:

      "month name"
    • Description:

      What is so rare as a month named June? October – and November and December – are a lot rarer. Brisk and substantial, they're so much more memorable and modern than April or May. October got its name via being the eighth month in the old Roman calendar. Some related, more feminine variations are Octavia and Ottavia.
  17. Ocean
    • Origin:

      English, nature name
    • Description:

      Ocean is a nature name that comes right out and states its meaning and association. Full of power and depth, Ocean is one of the fastest-rising baby names for both girls and boys, making the US Top 1000 for both genders in 2021. Oceane, the version that's trendy in France, was used for only 11 baby girls in the US in the same year. Ocean-lovers who want to be less obvious can choose such subtler names that mean ocean as Jennifer or Marissa, but coming right out and using Ocean is a perfectly valid way to go.
  18. Odile
    • Origin:

      French variation of German Otthild
    • Meaning:

      "prospers in battle"
    • Description:

      Odette's evil Swan Lake twin -- gives the name a sinuous, sensuous appeal.
  19. Ollie
    • Origin:

      Short form of Olive or Olivia, Latin
    • Meaning:

      "olive tree"
    • Description:

      Ollie is used less often as a nickname for the mega-popular Olivia or the stylish Olive than Ellie is for Eleanor or Allie for Allison. That may be because Ollie has a much longer use as a nickname for boys.
  20. Orli
    • Origin:

      Hebrew
    • Meaning:

      "light"
    • Description:

      Cute, nickname-y, and international, à la Romy or Demi. Spelling it Orly turns it into a busy French airport.