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.

Mount Olivet is a mountain ridge east of and adjacent to Jerusalem's Old City. It is named for the olive groves that once covered its slopes. Several key events in the life of Jesus, as related in the Gospels, took place on the Mount of Olives, and in the Acts of the Apostles it is described as the place from which Jesus ascended to heaven. This name makes a fresh alternative to Olivia and is worthy of consideration.

Form of Ottilie or Odilia

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.

Oceane (oh-see-EN) has been one of the chicest names in France for several years, ranking in the French Top 50. This is a sophisticated name that could easily cross the ocean, and is much more stylish than the English Ocean or Oceana.

Oralia is a feminine name with Latin and Spanish origins, derived from the Latin 'oralis' meaning 'spoken' or relating to the mouth or speech. Popular primarily in Hispanic communities, this melodic name has a graceful, romantic quality with its flowing syllables. Oralia gained modest popularity in the mid-20th century but remains relatively uncommon in English-speaking countries. The name carries connotations of eloquence and expressiveness, suggesting someone with a gift for communication. Its distinctive sound and cultural richness make it an appealing choice for parents seeking a name with Latin roots that remains relatively unique while being easy to pronounce.

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.

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.

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.

Omaira is an intriguing Middle Eastern possibility.

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.'

French variation of Ophelia that might make that lovely-and-haunted name feel more viable, yet there will be inevitable pronunciation issues.

The name of this pretty Mediterranean shrub is reminiscent of vintage Olive, and interestingly its etymology appears to overlap too: oleander most likely derives from Greek rhododendron "rose tree", with its form successively influenced by laurea "laurel" and olea "olive tree".

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.

Short and slight, with great potential now that names like Ava, Ida and Orla are popular. Ora Beach is a tourist destination on Seram Island, Indonesia.

A pleasantly unfamiliar addition to the ella family of names.

Softer and more romantic than Octavia, this is a name once used when it wasn't uncommon for families to have eight children. A possible substitute for the epidemically popular Olivia.

A simple yet distinctive choice with a whole host of origins and meanings, Oleta could be an interesting alternative to Olivia, Lotta or Ottilie.

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.

Orianna is a feminine name with Latin origins, derived from elements meaning 'golden' or 'dawn.' It can be interpreted as 'golden dawn' or 'rising light,' carrying beautiful imagery of daybreak and new beginnings. The name gained modest popularity in the early 21st century, appreciated for its elegant, flowing quality and romantic feel. Orianna offers the friendly nicknames Ori or Anna while maintaining its sophisticated full form. The name has a musical quality with its rhythm and vowel sounds, giving it a graceful, feminine energy. Though not among the most common names, Orianna has remained consistently recognized across English-speaking countries, striking a balance between familiarity and distinction.