This page lists 18 Greek girl names that start with O, from “Olympia” to “Ortensia.” The names range from well-known choices like “Olga” and “Ourania” to rare picks from myth and poetry. Parents use them for baby names, writers use them for characters, and many people simply enjoy exploring their meanings.

Greek girl names are given names that come from the Greek language, its myths, or the Orthodox Christian tradition. Many are tied to the stories of ancient Greece. “Olympias,” for example, was the name of Alexander the Great’s mother.

Below you’ll find the table with the name, pronunciation, Greek spelling, meaning, and description for each entry.

Name: the English-letter spelling of each name, so you can quickly scan the list and spot the ones that catch your eye.

Pronunciation: a simple phonetic guide with the stressed syllable in capitals, so you can say each name with confidence.

Greek Spelling: how the name is written in the Greek alphabet, which is useful for official documents, tattoos, or when you want the authentic form.

Meaning: the literal or traditional meaning of the name, helping you find one that fits the message or feeling you want.

Description: a short note on the name’s origin, history, or mythology, plus how common it is in Greece today.

Greek girl names

NamePronunciationGreek SpellingMeaning
Olympiaoh-LIM-pee-ahΟλυμπίαOf Olympus; heavenly
Olympiasoh-LIM-pee-asΟλυμπιάςOf Olympus
Olympiadaoh-lim-pee-AH-dahΟλυμπιάδαOlympiad; of the Olympic Games
OlgaOL-gahΌλγαHoly, blessed
Ouraniaoo-rah-NEE-ahΟυρανίαHeavenly; of the sky
Opheliaoh-FEEL-yahΟφέλειαHelp, benefit
Oenoneee-NOH-neeΟινώνηWine nymph; of wine
OmphaleOM-fah-leeΟμφάληNavel
Oreithyiaoh-ray-THEE-ahΩρείθυιαShe who rages on the mountain
Okeanisoh-keh-ah-NEESΩκεανίςDaughter of Oceanus; ocean nymph
Oraiaoh-RAY-ahΩραίαBeautiful
Oporaoh-POH-rahΟπώραLate summer; harvest fruit
Ortygiaor-tee-YEE-ahΟρτυγίαQuail island
Odysseiaoh-dee-SEE-ahΟδύσσειαJourney of Odysseus
Orianaoh-ree-AH-nahΩριάναDawn; golden
OrsaOR-sahΌρσαTo rise; to rouse
Orestheiaoh-res-THAY-ahΟρέσθειαMountain strength
Ortensiaor-TEN-see-ahΟρτένσιαGardener; of the garden

Descriptions

Olympia
A classic Greek name tied to Mount Olympus, home of the gods, and to the ancient Olympic Games. It is still widely used in Greece and was the name of Alexander the Great’s mother.
Olympias
The name of Alexander the Great’s mother, a Macedonian princess. It is the older form of Olympia and is rare today, though it carries strong historical weight.
Olympiada
A traditional Greek name linked to the four-year Olympic period. It is often shortened to Olympia or Pia and is common in Orthodox naming traditions.
Olga
Of Norse and Slavic origin, Olga entered Greek use through the Orthodox Church. Saint Olga of Kyiv made it popular, and it remains a familiar name in Greece.
Ourania
Named after Urania, the Muse of astronomy. It is a lovely, widely used Greek name and often appears in the Latinized form Urania.
Ophelia
Derived from the Greek word for help or usefulness. Shakespeare’s tragic heroine in Hamlet made it famous, and it is used in Greece in the forms Ofelia and Ofeleia.
Oenone
A mountain nymph in Greek myth who was the first wife of Paris of Troy. She is known for her loyalty and sorrow after he left her for Helen.
Omphale
The queen of Lydia in mythology, whom Heracles served as a slave for a year. The name is rarely used today but appears in classical stories and art.
Oreithyia
An Athenian princess in myth who was carried off by Boreas, the North Wind. The name is rare and mostly known from mythology.
Okeanis
One of the Oceanids, the three thousand sea nymphs who were daughters of the Titan Oceanus. It is a poetic name that links to the sea.
Oraia
Comes straight from the Greek word for beautiful. It is a simple, affectionate name that is uncommon but easy to recognize and pronounce.
Opora
Derived from the Greek word for the end of summer and the fruit harvest. In myth, Opora was a spirit of ripe fruit and autumn abundance.
Ortygia
The name of an island in Syracuse and a mythical place where Leto gave birth. It sometimes appears as a rare girl’s name with a strong classical flavor.
Odysseia
The feminine form linked to Homer’s epic, the Odyssey. It suggests adventure and a long journey home, and is very rare as a given name.
Oriana
A name used in Greece with roots in Latin and Romance languages, meaning dawn or gold. It sounds natural in Greek and is often chosen for its melodic quality.
Orsa
A rare name taken from the Greek verb meaning to stir or rise up. It is short and distinctive and appears mostly in poetic or literary use.
Orestheia
A rare feminine name connected to the mountains and used in ancient Greek mythology for nymphs. It is almost never given today.
Ortensia
The Greek form of Hortensia, found in Greek communities, particularly the Ionian Islands, where Italian influence is strong. It is used for the hydrangea flower.
If you think there is a missing term, let us know using the contact form.