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Latin Names that Start With O

Updated October 2026

Names20

Total Names20

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About this list

There are 20 Latin names that start with the letter O for boys and girls, including Olivia, Oliver, Octavia, Ollie, Orson, Oriana, Octavius, Octavian, Ora, Orabella, Ottava, Orella, Oriole, Oriel, Ortensia, Ondine, Ormanda, Osanna, Ovidia, and Orso.

The names

Showing 1–20 of 20

Olivia
Latin
"olive tree"
Olivia, a lovely Shakespearean name with an admirable balance of strength and femininity, is one of the top girls' names around the world. 2025 marked its 7th consecutive year in the #1 spot in the…
Oliver
Germanic, Latin
"elf army; ancestor's relic; olive tree"
Oliver is an international star, ranking near the top of the charts throughout the English-speaking world and in a host of European and Latin American countries, from Norway to Chile, Slovenia to…
Octavia
Latin
"eighth"
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…
Ollie
Diminutive of Oliver, Latin
"olive tree"
Ollie is the versatile go-to nickname for the hugely popular Oliver, though the large majority of parents prefer to have the more formal name on the birth certificate. Even in the UK where nickname…
Orson
Latin and English
"bear cub"
In the past, Orson has felt like a one-person moniker, tied to film director Orson Welles, who dropped his given name of George in favor of his more distinctive middle. While the Citizen Kane creator…
Oriana
Latin
"dawn; gold"
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…
Octavius
Latin
"eighth"
Octavius, which was at one time used for the eighth child in a family, has the worn leather patina of all the ancient Roman names now up for reconsideration. As a Roman family name, it derives from…
Octavian
Latin
"eighth"
With the rise of ancient Roman names, Octavian suddenly seem plausible again. A variation of Octavius and relative of the more modern Octavio, it's an equally attractive member of the trio.
Ora
Latin
"prayer"
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.
Orabella
Latin variation of Arabella
"beautiful altar"
Lacks the vintage charm of the original Arabella, but with the love for all names Bella, it might appeal to some.
Ottava
Word name from the Latin
"eight"
In literature, the Ottava rima is a form of poetry consisting of eight line stanzas and the rhyme scheme ABABABCC. Originating in Italy, it is typically used for epic and narrative poetry, with…
Orella
Latin
"announcement from the gods, oracle"
A pleasantly unfamiliar addition to the ella family of names.
Oriole
Latin
"golden"
A bird name from the same Latin root as Aurelia, Oriole is extremely rare as a name: No babies were given the name in the US in 2022. But most people are aware of the Oriole bird, which makes this…
Oriel
Latin
"golden"
Pretty Victorian-feeling cousin of Ariel; also, more prosaically, a kind of bay window.
Ortensia
Latin
"of the garden"
Variant of Hortensia, an unusual floral name and the name of a secondary character in Roald Dahl's Matilda .
Ondine
Latin
"little wave"
Mythological spirit of the waters; spelled Undine, she was an Edith Wharton heroine.
Ormanda
Latin
"mariner"
Has a medieval, slightly fusty but romantic feel.
Osanna
Italian
"praise the Lord; deliver us"
An Italian form of expressive Hosanna, this spiritual name might appeal to those who enjoy nicknames Ozzy or Anna. Borne by a number of saints, including a 15th century Italian mystic, Osanna also…
Ovidia
Feminine variation of Ovidius, Roman family name
"shepherd or sheep"
Ovidia is the unusual feminine form of the ancient Roman Ovidius, most famous as the name of the exiled 1st century Roman poet Ovid. Modern male form Ovidio is known in Spain and Portugal. Ovida is…
Orso
Italian form of Urs, Latin
"bear"
Familiar in France where it ranked in the Top 400 in a recent year, Orso is related to the English Orson, Swiss Urs, and astronomy-inspired Ursa. Derived from the Latin ursus , it is the Italian word…

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