Female and male first names beginning with the letter “O”..

Olga is a feminine given name of Slavic origin, derived from the Old Slavonic word 'Olgа,' meaning 'holy' or 'blessed.'

The name Olgie originates from Slavic roots, derived from the Old Norse name Helga meaning 'holy' or 'sacred'.

Olha is a Ukrainian female given name derived from the ancient Slavic element 'olga', meaning 'holy' or 'blessed'. It is popular in Ukraine, notably held by Princess Olga of Kiev who ruled Kievan Rus' in the late 10th century and was later canonized as a saint.

Oli is a popular English diminutive of Oliver, meaning 'elf-warrior'.

Olia is a Ukrainian name derived from the word 'olyva', meaning 'olive'. It signifies peace and fertility, with historical usage since at least the 19th century.

Oliana is an elegant Italian feminine name derived from "Olivarius," signifying growth and abundance.

Olianna is a rare yet captivating Latin-derived name, meaning 'olive tree', signifying peace and harmony.

Olibia is an exotic and rare Latin name derived from "oliva," meaning olive, with a rich history dating back to ancient times.

Olice is a distinctive African name of Igbo origin, typically meaning 'God has shown favor' or 'God has been kind.'

Olicia is a distinctive Latin-derived name, meaning 'olive' and symbolizing peace, wisdom, and abundance, tracing back to ancient Rome where it was associated with resilience and strength.

Olida is an African name of Nigerian origin, meaning 'Thursday' in Igbo, traditionally given to girls born on that day.

Olive is a Latin-origin name derived from the olive tree and fruit, symbolizing peace, wisdom, and prosperity since ancient times.

Olimpia is an Italian name derived from Latin "olympus," meaning Mount Olympus, associated with Greek gods. It gained popularity during the Renaissance due to its historical significance and has since become a classic Italian name with notable figures like Olimpia Maidalchini and literary character Olimpia in E.T.A. Hoffmann's "The Sandman." Today, it remains a popular choice for parents seeking a distinctive yet classic name for their daughter.

The name Olin is of Scandinavian origin, derived from the Old Norse word "álfr," meaning "elf" and popularized during the Viking Age.

Olina is a Latin-derived name, meaning 'olive tree', symbolizing peace and wisdom in many cultures. It was often given to girls expected to be wise and strategic in ancient Rome, where it originated. Saint Olina, a Spanish saint known for her service to others, further popularized the name. Today, Olina is appreciated for its rich history, elegance, and modern sound, making it an appealing choice for parents seeking a unique yet timeless name for their daughter.

Olinda is a unique female given name of Portuguese origin, derived from "oliveira," meaning "olive tree." It shares its name with the historic Brazilian city founded by Portuguese colonizers, adding elegance and sophistication to this captivating moniker.

Oline is a Norwegian female name derived from the Old Norse Álfhildr, meaning "elf battle" or "elf warrior," reflecting ancient Norse mythology's association of elves with wisdom and strength.

Olinka is a distinct female name of African origin, meaning 'she arrived with wealth' in Yoruba culture.

Olis is a rare Greek-derived name meaning "swift" or "rapid," associated with Hermes, the messenger god known for his speed and cunning.

Olisa is an Igbo name from Nigeria and Cameroon, meaning "to think clearly," embodying wisdom and intelligence.

Olisha is a rare, modern name of unknown origin with no widely accepted meaning or etymology. Despite this, its unique sound and appearance make it an elegant and memorable choice.

Olita is a charming Spanish female name derived from 'olivo,' meaning 'olive.' It translates to 'little olive' and symbolizes strength, peace, and wisdom.

Oliv is a Latin-derived name meaning 'olive', primarily masculine but also used as female in some cultures.

Olivia is a feminine given name of Latin origin, derived from 'oliva', meaning 'olive' and symbolizing peace and prosperity.

Olivama is an African-derived name from Yoruba culture that combines 'Olu' (wealth) and 'Ima' (mother), translating to 'mother of wealth.'