Girls Names Beginning With O

Orchid is a hothouse bloom that has not been plucked by many modern baby namers — yet. In the language of flowers, orchids symbolize love, beauty, and sophistication.

Olwen is a Welsh favorite, the name of a legendary princess in what is believed to have been the earliest Arthurian romance, and in fact one of the first recorded examples of Welsh prose.

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.

A gem named for its green hue.

Though it has never charted in the United States, this frilly name has the elements some brave, modern namers might find attractive—namely, the initial O and the -ia suffix.

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.

The memorable folk singer, an early single-name celeb, brought this into the spotlight. The French variation is Odette.

In early, pre-Norman Ireland, this name was borne by both a sister and a niece of high king Brian Boru. Now, the English form Orla is more commonly used.

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.

If you're a lover of the beach and sea, and want a name that relates to the largest body of water, there are several variations you could consider.

A particularly beautiful member of the Oriana and Orane clan,Oriane is the first name of a major character in Proust's In Search Of Lost Time, the Duchesse de Guermantes. Also borne by climber Oriane Bertone, the name may derive from the Latin aurum meaning "gold" or from oriens meaning "rising, sunrise". It was give to just 8 girls in a recent year in the US, but was a popular choice in France in the 2000s.

Better go to the original Aurelia or Aurelie, if only for its similarity to the ord 'orally.' In pop culture, Oralie is a Pokemon name.

A feminine form of Oliver and a diminutive of Olive, Olivette could make an interesting choice for those who love Colette and Violette, but also Olivia. It was used in the 19th century French opera Les noces d'Olivette and ranked in the Top 500 in France in the early half of the 20th century.

Though this name properly takes an accent over the first e, most Americans would probably have trouble pronouncing it with French elan.

A pretty, feminissima name, more distinctive than Cynthia. George Bernard Shaw used it for a character in his play The Apple Cart, about which it is said 'Orinthia is a name full of magic for me.'

Oakley is one of the truest unisex names for babies, achieving a 56-44 gender distribution, favoring girls. Oaklee is 80% female and may serve as a clearer identification of sex, if that’s what you’re interested in.

Orlean is a feminine name with multiple cultural influences, potentially derived from the French city of Orléans or as a variation of Orleans. The name suggests nobility and distinction, possibly connecting to the House of Orléans, a European royal lineage. With its smooth sound and elegant construction, Orlean offers a sophisticated alternative to more common names. While never reaching widespread popularity, it has maintained a quiet presence in naming records throughout the 20th century, particularly in the United States. The name carries an air of refinement and uniqueness, appealing to parents seeking an uncommon name with historical resonance and a melodic quality.

This name, rich with meaning, is one of the more widely-used names in the Nigerian diaspora.

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

The feminine form of Orpheus, the charming musician of Greek myth who descended to the underworld.