153 Unique Boy Names That Start with O

【Oliver】 - Derived from the Latin name "Oliverius," meaning "olive tree." It symbolizes peace and fruitfulness.

【Oscar】 - Originating from the Gaelic name "Osgar," meaning "dear, friend."

【Osborn】 - An English name derived from "Osborn," meaning "divine warrior" or "god's warrior."

【Ocean】 - A name that reflects the vastness and depth of the ocean.

【Owen】 - Welsh in origin, meaning "born of the yew tree" or "young warrior."

【Ollie】 - A diminutive form of Oliver, often associated with the olive tree and peace.

【Otto】 - German in origin, meaning "rich" or "wealthy."

【Ole】 - A Scandinavian form of Oliver, symbolizing peace and fruitfulness.

【Oren】 - Hebrew for "pine tree," often associated with strength and endurance.

【Otis】 - Of Greek origin, meaning "son of Otus," a giant in Greek mythology.

【Osteen】 - A variant of the name "Otis," with the same meaning.

【Obelix】 - Inspired by the character from the comic series "Asterix," known for his strength.

【Orban】 - Hungarian name meaning "from Urbino," an Italian city.

【Oli】 - A short form of Oliver, symbolizing peace and fruitfulness.

【Onur】 - Turkish for "honor" or "respect."

【Omer】 - Arabic for "eloquent" or "speaker."

【Othman】 - Variant of "Osman," an Arabic name meaning "courageous lion."

【Ofydd】 - Welsh for "strange" or "unusual."

【Oden】 - A name of Norse origin, associated with the god Odin, who is the god of wisdom and war.

【Orynko】 - A unique name of uncertain origin and meaning.

【Onsager】 - A surname that could be used as a first name, of Scandinavian origin.

【Olyn】 - A unique name with uncertain origin and meaning.

【Ogilvy】 - A surname that could be used as a first name, of Scottish origin.

【Oguz】 - A Turkish name meaning "tribe of Oguz," referring to a legendary ancestor of the Turks.

【Okan】 - A Turkish name meaning "honor" or "respect."

【Olaf】 - Old Norse name meaning "ancestor's descendant."

【Oldrich】 - Czech form of "Olaf," meaning "ancestor's descendant."

【Orion】 - Named after the hunter in Greek mythology, associated with the constellation.

【Oswald】 - Old English name meaning "divine power" or "god's rule."

【Oskar】 - A variant of Oscar, meaning "dear, friend."

【Ossian】 - Gaelic name associated with the legendary poet Ossian in Irish mythology.

【Othello】 - Inspired by the tragic character in Shakespeare's play, of uncertain origin.

【Orlin】 - A variant of "Orlando," meaning "famous land."

【Orlan】 - A form of "Orlando," with the same meaning.

【Orlando】 - Italian name meaning "famous land."

【Orson】 - Old English name meaning "bear cub" or "son of the bear."

【Osric】 - Old English name meaning "divine ruler."

【Osvald】 - Old Norse name meaning "divine power" or "god's rule."

【Osgood】 - Old English name meaning "divine good."

【Osmund】 - Old English name meaning "divine protection."

【Osmyn】 - A unique name with uncertain origin and meaning.

【Otton】 - A variant of "Otto," meaning "rich" or "wealthy."

【Othniel】 - Hebrew name meaning "God is my strength."

【Otho】 - Latin name meaning "eagle."

【Othni】 - A variant of "Othniel," with the same meaning.

【Otha】 - A name of uncertain origin, possibly related to "Othniel."

【Othmar】 - A name of uncertain origin, possibly a variant of "Othniel."

【Otway】 - A surname that could be used as a first name, of English origin.

【Ovid】 - Inspired by the Roman poet Ovid, meaning "egg" in Latin.

【Owe】 - A name of Old Norse origin, meaning "wealth" or "riches."

【Owin】 - A variant of Owen, meaning "born of the yew tree" or "young warrior."

【Ozzie】 - A diminutive form of Oscar, meaning "dear, friend."

【Osbert】 - Old English name, a variant of Osbald, meaning "divine strength."

【Osmond】 - Old English name, meaning "divine protection."

【Osmar】 - A variant of Osborn, meaning "divine warrior."

【Osmere】 - A unique name with uncertain origin and meaning, possibly related to Osmond.

【Osborne】 - A surname that could be used as a first name, meaning "divine warrior."

【Orin】 - Hebrew for "pine tree," often associated with strength and endurance.

【Osvaldo】 - Spanish form of Oswald, meaning "divine power" or "god's rule."

【Ossie】 - A diminutive form of Osborn or Osborne, meaning "divine warrior."

【Orren】 - A variant of Orin, meaning "pine tree."

【Orry】 - A pet form of the name Orson, meaning "bear cub" or "son of the bear."

【Orv】 - A short form of Orville, meaning "city of the north."

【Orville】 - A name of French origin, meaning "city of the north."

【Orel】 - A name of uncertain origin, possibly a variant of Oren or a form of Aurel.

【Orland】 - A variant of Orlando, meaning "famous land."

【Orlo】 - A variant of Orlando, with the same meaning.

【Orton】 - A surname that could be used as a first name, of English origin.

【Orval】 - A name of uncertain origin, possibly a variant of Orville or a form of Orvaldo.

【Oswin】 - Old English name, a variant of Oswald, meaning "divine friend."

【Othon】 - A variant of Otho, meaning "eagle."

【Otniel】 - Hebrew name meaning "God is my strength."

【Owyn】 - A variant of Owen, meaning "born of the yew tree" or "young warrior."

【Owynn】 - A variant of Owyn, with the same meaning.

【Omar】 - Arabic name meaning "flourishing" or "eloquent."

【Omarion】 - A modern name combining Omar with the suffix】 -ion, possibly to suggest a modern or unique twist.

【Omri】 - Hebrew name, the name of an Israelite king, meaning "a speaker."

【Onan】 - Hebrew name, meaning "strong" or "vigor."

【Onslow】 - A surname that could be used as a first name, of English origin, possibly meaning "at the slow stream."

【Orfeo】 - Italian form of Orpheus, a legendary musician and poet in Greek mythology.

【Orley】 - A variant of Orlin, meaning "famous land."

【Orrin】 - A variant of Oren, meaning "pine tree."

【Odell】 - A surname that could be used as a first name, of English origin, meaning "dweller by the edge of a wood."

【Olin】 - A variant of the name Owen, meaning "young warrior."

【Olan】 - A short form of Olan, possibly related to the Irish name Olán, meaning "youth."

【Oshea】 - Irish name, meaning "sheep."

【Ollan】 - A unique name with uncertain origin, possibly related to Olan or a variant of Allan.

【Ondrej】 - Czech form of Andrew, meaning "manly" or "masculine."

【Osmin】 - A unique name with uncertain origin and meaning, possibly related to Osborn.

【Osten】 - A name of uncertain origin, possibly a variant of Easton.

【Orpheus】 - Named after the legendary musician and poet in Greek mythology.

【Oran】 - Irish name, meaning "red" or "small wheel."

【Oakley】 - A surname that could be used as a first name, meaning "oak meadow."

【Oberon】 - Named after the fairy king in Shakespeare's play, possibly derived from the Latin "albus," meaning "white."

【Octavio】 - Spanish form of Octavius, meaning "eighth."

【Odin】 - The chief god in Norse mythology, associated with wisdom, war, and poetry.

【Oisin】 - Irish name, meaning "little deer" or "little fawn."

【Oleg】 - Russian name, meaning "famous" or "renowned."

【Olivier】 - French form of Oliver, meaning "olive tree."

【Omari】 - African name, meaning "speaker" or "one who is eloquent."

【Onyx】 - A name derived from the type of gemstone, which is typically black and white in color.

【Oscar】 - Originating from the Gaelic name "Osgar," meaning "dear, friend."

【Osman】 - Arabic name meaning "lion" or "courageous."

【Oak】 - A nature-inspired name, representing the tree species.

【Oaklen】 - A unique name, possibly a combination of Oak and a suffix similar to "-len," which could imply a connection to the oak tree.

【Oaklyn】 - A name that could be seen as a combination of Oak and the suffix "-lyn," which might suggest a connection to the oak tree or a valley.

【Obadiah】 - Hebrew name meaning "servant of Jehovah."

【Obed】 - Hebrew name meaning "servant" or "worshipper."

【Octavian】 - A Latin name, the given name of the first Roman Emperor, meaning "eighth" or "Augustus."

【Ollivander】 - A fictional name from the Harry Potter series, associated with the owner of the wand shop.

【Oman】 - A country name in the Middle East, also used as a personal name.

【Onyeka】 - An Igbo name from Nigeria, meaning "God's grace" or "God is gracious."

【Oregon】 - A U.S. state name, derived from the name of a Siuslaw tribe word meaning "beautiful" or "great river."

【Orian】 - A name of uncertain origin, possibly related to Horus, the Egyptian god, or meaning "dweller by the mountain."

【Ozias】 - A variant of the name Azariah, meaning "Jehovah has helped."

【Oriel】 - A name derived from a type of architectural feature, an oriel window, or from the Latin "aureus," meaning "golden."

【Orestes】 - A Greek name from the character in Greek mythology, meaning "mountain man."

【Olivander】 - A fictional name from the Harry Potter series, associated with the owner of the wand shop.

【Oberto】 - Italian name, a variant of Uberto, meaning "bright victory."

【Obie】 - A diminutive form of the name Obadiah or Obed.

【Ormond】 - A surname that could be used as a first name, of Irish origin, meaning "descendant of the noble one."

【Octave】 - A name derived from the Latin "octo," meaning "eighth."

【Odran】 - Irish name meaning "little fire."

【Olindo】 - Italian name, possibly a variant of the name Oliver, meaning "olive tree."

【Omero】 - Italian form of Homer, the name of the ancient Greek poet.

【Oleander】 - A nature-inspired name, derived from the flowering shrub.

【Oric】 - A name of uncertain origin, possibly related to the Old High German "oric," meaning "mountain."

【Oziel】 - A name of Hebrew origin, meaning "God is my strength."

【Onofre】 - Spanish form of the name Onophre, meaning "chaste" or "unblemished."

【Orazio】 - Italian form of the name Horace, meaning "timekeeper" or "guardian of the border."

【Oaken】 - A name derived from the oak tree, symbolizing strength and endurance.

【Om】 - A name with spiritual significance in Hinduism, representing the sound of the universe.

【Omario】 - A unique name, possibly a combination of Om and Mario.

【Osred】 - Old English name, a variant of Osbert, meaning "divine strength."

【Ovadiah】 - A variant of Obadiah, meaning "servant of Jehovah."

【Oxley】 - A surname that could be used as a first name, meaning "meadow with oxen."

【Onni】 - A name of Finnish origin, meaning "fate" or "destiny."

【Odrick】 - A unique name with uncertain origin, possibly a variant of the name Edgar.

【Orfeas】 - A variant of the name Orpheus, the legendary musician in Greek mythology.

【Otranto】 - A place name in Italy, used as a personal name.

【Olyver】 - A variant of the name Oliver, meaning "olive tree."

【Omnir】 - A unique name with uncertain origin, possibly derived from the word "omni," implying all-encompassing.

【Oseias】 - A variant of the name Osias, meaning "Jehovah has saved."

【Oreck】 - A unique name with uncertain origin.

【Orien】 - A name of uncertain origin, possibly related to the Latin "oriens," meaning "east" or "rising."

【Odom】 - A name of Hebrew origin, meaning "rich in wisdom."

【Oshane】 - A unique name with uncertain origin, possibly a variant of Shane.

【Orest】 - A variant of Orestes, meaning "mountain man."

【Orlow】 - A unique name with uncertain origin, possibly a variant of the name Orlov.

【Osian】 - A Welsh name, meaning "grey dog" or "ancient."

【Olander】 - A surname that could be used as a first name, of Scandinavian origin, meaning "from the land of the elves."

【Ottokar】 - A name of Czech origin, a variant of Otto, meaning "rich" or "wealthy."

【Omyr】 - A unique name with uncertain origin.