Boy Names That Start With O: Exploring Their Classic Style

The letter O has enduring appeal at the start of boy names that start with O. Classic picks like Owen, Oliver, and Oscar remain popular while offbeat O names like Orion and Otis offer vintage revival style. Their dictionary definitions highlight positive traits like wealth, peace, and innocence that connect to ideals parents often want reflected. Thanks to their long history and literary ties, O boy names lend themselves seamlessly to pairing with many middle names. Despite their traditional status, they wear well in the modern era.

Oliver: Oliver means "olive tree." It is thought to symbolize peace, wisdom, fruitfulness, dignity, and beauty. The olive tree is seen as a symbol of abundance and fertility in many cultures.

Owen: Owen means "young warrior" or "well-born." It has Welsh origins and may represent noble qualities like courage, leadership, and strength. The name has grown steadily in popularity in recent years.

Oscar: Oscar is derived from the Old English for "God's spear." It is linked to divine power and protection in battle. Oscar suggests honor and an impressive, formidable nature.

Orion: In Greek mythology, Orion was a mighty hunter and handsome giant. The name Orion brings to mind adventure, athleticism, and perhaps feeling larger than life.

Otis: Otis comes from German roots and fittingly means "wealthy." It suggests qualities like prosperity, success, fortune, riches and having expensive taste.

Omar: Omar is an Arabic name meaning "flourishing, long-lived." It speaks to longevity, vibrancy, health, fruitfulness over time.

Owen: Owen has Welsh roots and means "young warrior" or "well-born." It suggests courage, leadership, nobility and coming from an impressive lineage.

Oakley: Oakley comes from Old English elements that mean "oak clearing." It conjures images of strength, wisdom, antiquity and the great outdoors.

Ocean: Ocean evokes the vast, powerful sea—mystery, depth, freedom, fluidity, changeability. As a name, it is adventurous and unconventional.

Orson: Orson means "bear cub" in Latin. It brings to mind strength, bravery, fierceness, and affectionate qualities. The name has an ancient, rugged feel.

Oswald: Oswald is an Old English name meaning "God's power." It suggests divine strength, spiritual leadership abilities and a commanding presence.

Oren: Oren is a Hebrew name meaning "pine tree." It implies attributes like resilience, fortitude, steadiness, reliability, and tranquility.

Oscar: Oscar is derived from the Old English for "God's spear." It is linked to divine power and protection in battle. Oscar suggests honor and an impressive, formidable nature.

Oliver: Oliver means "olive tree." It is thought to symbolize peace, wisdom, fruitfulness, dignity, and beauty. The olive tree is seen as a symbol of abundance and fertility in many cultures.

Orson: Orson means "bear cub" in Latin. It brings to mind strength, bravery, fierceness, and affectionate qualities. The name has an ancient, rugged feel.

Omar: Omar is an Arabic name meaning "flourishing, long-lived." It speaks to longevity, vibrancy, health, fruitfulness over time.

Otis: Otis comes from German roots and fittingly means "wealthy." It suggests qualities like prosperity, success, fortune, riches and having expensive taste.

Oakley: Oakley comes from Old English elements that mean "oak clearing." It conjures images of strength, wisdom, antiquity and the great outdoors.

Oswald: Oswald is an Old English name meaning "God's power." It suggests divine strength, spiritual leadership abilities and a commanding presence.

Ocean: Ocean evokes the vast, powerful sea—mystery, depth, freedom, fluidity, changeability. As a name, it is adventurous and unconventional.

Oren: Oren is a Hebrew name meaning "pine tree." It implies attributes like resilience, fortitude, steadiness, reliability, and tranquility.

Osborn: Osborn means "divine bear." It calls to mind formidable qualities like courage, tenacity, ferocity—yet gentleness and sensitivity as well. The contrast is striking.

Ollie: Ollie is a playful short form of Oliver that suggests familiarity and sweet, boyish charm. A child named Ollie seems cheerful and easygoing.

Omri: Omri is a Hebrew name meaning "sheaf of wheat." It speaks to harvest, abundance, fertility, growth, and the idea of bundling together. Simple but significant.

Odin: Odin has Norse mythological roots as the highest of the gods. The name summons supreme power, magic, knowledge, poetry, war—qualities befitting a majestic leader.

Orlando: Orlando means "renowned land" in Old English. It conjures visions of fame, significance territory, and having an enduring legendary quality about you.

Oz: Oz is a short form of names like Osborne and Oswald and means "God's power." It packs divine strength and leadership into two compact letters!

Otto: Otto is an Old German name meaning "wealth, fortune." It calls to mind prosperity and success—and perhaps generous qualities too.

Owen: Owen has Welsh roots and means "young warrior" or "well-born." It suggests courage, leadership, nobility and coming from an impressive lineage.

Otis: Otis comes from German roots and fittingly means "wealthy." It suggests qualities like prosperity, success, fortune, riches and having expensive taste.

Oakley: Oakley comes from Old English elements that mean "oak clearing." It conjures images of strength, wisdom, antiquity and the great outdoors.

Oliver: Oliver means "olive tree." It is thought to symbolize peace, wisdom, fruitfulness, dignity, and beauty. The olive tree is seen as a symbol of abundance and fertility in many cultures.

Omar: Omar is an Arabic name meaning "flourishing, long-lived." It speaks to longevity, vibrancy, health, fruitfulness over time.