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

Ancient Egyptian name derived from the god of resurrection and fertility, meaning "strong one.

Osiris is an intriguing name of Egyptian origin, derived from the god of fertility, agriculture, resurrection, and the afterlife. It signifies renewal and wisdom, having been used in ancient Egypt since the early dynasties.

Osiris is a unique male given name of Egyptian origin, derived from the ancient Egyptian god Osiris who was worshipped as the god of resurrection, fertility, and agriculture. The name means "strong" or "powerful," reflecting his status as a powerful deity.

Unique and captivating Native American name from the Cherokee tribe that translates to "warrior.

German name derived from Osakar, composed of "god" and "power," signifying "divine power.

Rare Scandinavian name derived from Old Norse Ásgeirr, meaning "spear of the gods.

Irish name that may derive from 'Oisín', meaning "little deer," or 'Ó Súilleabháin', meaning "descendant of the fair-haired hero." It could signify gracefulness, gentleness, strength, and courage.

Uncommon English given name of Norman origin, derived from the French word 'osier' and meaning 'basket maker.' It was historically associated with individuals working with osiers to create baskets and furniture.

Uncommon name with unknown origins and unclear meaning, often believed to be derived from Scottish Ozlyn or Old Norse elements but without definitive evidence. Its usage dates back centuries with notable bearers like Oslin F. Wood, and it appears in Thomas Hardy's "The Return of the Native." Despite its mystery, Oslin remains appealing for those seeking unique names.

Distinctive Norwegian given name derived from the capital city itself, its origin tracing back to Old Norse words 'ás' meaning god and 'óss' signifying mouth or river.

Arabic-origin name meaning "to hear or listen", derived from the word "asmaa". It is also associated with Osman I, founder of the Ottoman Empire in Turkey.

Albanian name meaning "big warrior", derived from the Turkish word for Ottoman Empire.

Unique Spanish name derived from 'osmanya', meaning 'wisdom' or 'knowledge'. Originally an honorific title for learned individuals in medieval Spain, it evolved into a popular given name during the Middle Ages.

Spanish name derived from the German "Osmund", meaning "divine protection" or "godly protector".

Distinctive female name of Latin origin meaning "divide" or "distribute," popularized during medieval Spain and still beloved in Hispanic communities today.

Unique unisex name of African origin, created by combining 'Oscar' (Latin: 'divine spear') and 'Mary' (Hebrew: 'bitter sea'). It gained worldwide recognition during the 20th century due to Congolese migration.

Rare Latin-derived Spanish name meaning 'sacred'.

Rare but powerful Spanish name meaning "brave" or "courageous," derived from the Spanish word "osmer.

Rare Spanish name of Arabic origin, derived from "asma'" meaning 'to hear' or 'listen', associated with intelligence and wisdom due to excellent listening skills. It was brought to Spain by the Moors during their medieval rule.

Finnish male given name derived from the Old Norse word "os", meaning "god".

Rare unisex name of Hebrew origin, meaning "happiness" or "joy," associated with prosperity and abundance.

English name derived from Germanic Osmund, meaning "god protection".

Old Norse name meaning 'divine protection', composed of 'os' (god) and 'mundr' (protection), originating from the Viking Age.

Rare Hebrew given name meaning "to bear fruit each year," derived from the word "Osen." It has a historical significance in Jewish culture, being mentioned as one of Seir's sons in the Bible and carried by notable figures like Rabbi Osnas.

Spanish boys' name derived from "oso," meaning "bear," symbolizing strength and power.

Unique Old English name derived from the Old Norse Áslaug, meaning 'aspect or appearance of a god'.

Distinctive Arabic male given name meaning 'strong' or 'robust', with historic bearers embodying courage and intellect like Ossama bin Zaid.

Irish name meaning "deer", associated with the legendary bard Ossian, popularized by Scottish poet James Macpherson.

Distinctive Irish name derived from the surname O'Sullivan, meaning "descendant of Sulliadan," a chieftain of the Uí Faeláin family. It often serves as a diminutive for names like Oscar or Sullivan, but can also stand alone. While its historical usage is limited, Ossie carries strong Irish heritage and uniqueness.

Irish name originally derived from the surname Ó Suilleabháin meaning "descendant of Sulliú," an ancient warrior or chieftain.

Hebrew name derived from "oss," meaning "strength" or "power," interpreted as "strong with God.

Rare Ukrainian male given name derived from the Slavic element "ostr", meaning "spear", thus signifying "spear-bearing". It was popularized by Nikolai Gogol's novel "Taras Bulba" and remains an important part of Ukrainian cultural heritage despite its decreased usage.

Rare yet captivating female given name of Germanic origin, meaning 'east' or 'dawn', derived from the Proto-Germanic element 'austra'.

Distinct Spanish-origin given name meaning "to hold" or "to maintain," historically associated with occupational roles requiring stability, now popularized by American televangelists Joel and Victoria Osteen despite remaining uncommon.

Rare French-origin given name, with mysterious origins and no widely accepted meaning. It's been used since at least the 16th century in France.

Rare Germanic name derived from Old Norse Ástþórr, meaning 'divine thunder'.

Rare Greek-derived given name meaning "piece of pottery," originally used in ancient Athenian voting procedures known as ostracism.

Ancient Irish given name derived from the surname Ó Suithghinn, meaning "descendant of Sioda of the fair hostages." It signifies peace, gentleness, nobility, and honor, making it appealing as both a boys' and girls' name worldwide.

Osvaldo is a name of Italian origin derived from Germanic elements "os" meaning 'divine' or 'godlike', and "wald" signifying 'power' or 'rule'. It means 'divine power' or 'godlike rule'. Notable figures include footballer Osvaldo Ardiles and animator Osvaldo Cavandoli.

Italian name meaning "noble ruler", composed of the Germanic elements "os" (noble) and "valdo" (rule).