If you are looking for baby boy names starting with O, here are 201 best baby boy names starting with O with meanings.
201 Cute Baby Boy Names Starting with O
Read More: 4000 Baby Boy Names Starting with A
| Names | Origin | Meaning |
| Oberon | German | The soul or the purest blood out of the heart. |
| Oberron | German | A beautiful or attractive girl. |
| Obert | German | The one who believes that there is only One Allah |
| Obrecht | German | One who is the guardian of the charming King. A protector of the fascinating king. |
| Ochs | German | Combination of the Quranic names Mohammed “The Glorious” and Idrees “Trustworthy” or “Patient” |
| Odaliz | German | A rich person, wealthy and prosperous |
| Odall | German | A Spanish Variant of Moses that means off the water or taken out of the water. |
| Odalric | German | A Yiddish variant of Moses that means Delivered or derived out of water. |
| Odalys | German | Spell variant of Moses that means someone came from the water. |
| Odalyz | German | A prosperous, wealthy and rich person |
| Odard | German | A wealthy guardian, a guardian who is rich |
| Odell | German | The one who is distressed or upset |
| Odie | German | The superman among human being. |
| Odilio | German | The grandson. |
| Odilo | German | From the northern face |
| Odis | German | Sleep or nap. |
| Odolf | German | Passionately dedicated. |
| Odolff | German | Bold as a bear. |
| Odwolf | German | The destiny, luck and a share of anything from the Almighty |
| Oeberon | German | A manager, an organiser. one who manages other people. |
| Oethelwald | German | A brave or courageous person from the forest |
| Olav | German | Affectionate homegrown, sweet home. |
| Olbrecht | German | The color of Blue, conflict siren, combat hooter. |
| Oldrik | German | The blue hill, blue peak. |
| Onfre | German | The one who is firm in his mind during the problem times. |
| Onfroi | German | Pacific fighter or comforting soldier. |
| Onofredo | German | The cadre who fights for the harmony of nation. |
| Orbert | German | Having abundant of money or possessions of value. |
| Orlain | German | A famour or well-known in the land |
| Orlan | German | The person who has the ability to perform skillfully. |
| Orland | German | The person who is without defect or blemish. |
| Osbald | German | A spiritual strength from god |
| Osbaldo | German | The spiritual strength or regulation from God. |
| Otek | German | A variant of name Otto; detailed and independent; fortunate |
| Othmann | German | A wealthy person or fortunate human being |
| Othmar | German | One who has elements of wealth and fame |
| Othomann | German | One who is born healthy and wealthy |
| Othon | German | A fortunate as well as wealthy personality |
| Otis | German | A wealthy person who is keen on hearing |
| Otmar | German | A famous, prosperous and wealthy person |
| Otte | German | One who is a born aristrocrat |
| Ottis | German | A rich, fortunate and passionate individual |
| Ottmar | German | A wealthy and prosperous individual |
| Otto | German | A fortunate and wealthy person; the great one |
| Odoacer | Italian | The goddess person. |
| Oliviero | Italian | The usage from Oliver. |
| Olivina | Italian | A reminder of olive |
| Onofre | Italian | The one who fights for peace or harmony. |
| Onofredo | Italian | The cadre who fights for the harmony of nation. |
| Onofrio | Italian | Protector of harmony. |
| Orazio | Italian | The person who is steadfast in prayers. |
| Oreste | Italian | A huge rugged one |
| Orfeo | Italian | The one who has come for a determination. |
| Orlando | Italian | The accomplishment of the multitude. |
| Orsino | Italian | The person who likes the bear. |
| Ottavio | Italian | Born on Eighth; has a grasping personality |
| Ovidio | Italian | An individual who is like a Sheep |
| Olivander | English | The one who shelters the olive tree. |
| Oliver | English | The one who represents the emblem of peace or olive tree. |
| Olivera | English | The sign or olive tree |
| Ollaneg | English | comes from the north west of London, Olney. |
| Ollie | English | Fairy armed force or combatant. |
| Olly | English | ELF military or olive tree like. |
| Olney | English | The one who comes from Olney. |
| Olyn | English | The red fruit tree which has tiny branches all around. |
| Omni | English | The one who is able to communicate or get indicators in all directions |
| Onslow | English | Supporter’s mountain or follower’s hill. |
| Orick | English | The person who is a triumph one with peaceful sleep. |
| Orik | English | Steadiness of mind under stress. |
| Oris | English | A variation of name Orris; Tree |
| Orman | English | Mariner; Spearman |
| Ormand | English | Deserving of esteem and respect. |
| Ormeman | English | Mother of prettiness, motherhood of loveliness. |
| Ormemund | English | Nooa break, relaxation, relief, well being. |
| Ormond | English | One of the Holy prophets, prophet Nooh. |
| Ormonde | English | Noomi my joy, my bliss, my glee, my cheer. |
| Ormund | English | The glow of the conviction, spark of the belief. |
| Orrick | English | The oak tree land. |
| Orrik | English | From the primordial oak land. |
| Orton | English | The border or edge of the farm. |
| Ortun | English | The ranch near the borderline. |
| Orvin | English | The person who is very closer to Spear. |
| Orvvite | English | An orderly, versatile and tidy individual |
| Orwald | English | The person who is possessing the power like a spear. |
| Orwell | English | The turnoff of a stream. |
| Orwin | English | The assistant who fights with a javelin. |
| Orwynn | English | The person who is very much familiar with the spear. |
| Osbart | English | The powerful and shining lights from God. |
| Osbeohrt | English | A powerful light of God |
| Osbeorht | English | The shining light from the God |
| Osbern | English | The one who leads the war on behalf of most high God. |
| Osbernus | English | Who leads war on behalf of God |
| Osbert | English | The powerful and brightness of God. |
| Osbertus | English | The power and bright light of God |
| Osbourne | English | The mercy of God. |
| Osbryht | English | The light from God that brightens |
| Osburh | English | The lights of God |
| Osburn | English | The celestial combatant who fights on behalf of God. |
| Osburt | English | The bright of the lifetime. |
| Oscar | English | Noorali the brightness of Ali, the nimble of Ali. |
| Osceola | English | radiant and shining powerful nimble from God. |
| Oscytel | English | holy spear, the person who really admires the animal deer |
| Oseberne | English | The light of God that shines |
| Osebertus | English | The brave soldier of god |
| Osewold | English | The brave fighter of God |
| Osfrid | English | The bravest warrior of the God |
| Oslaf | English | A free-detailed and sensitive person |
| Oslafa | English | An ambitious, courageous and strong person |
| Osma | English | One who acts like a divine protector |
| Osmar | English | The one who is born with divine glory |
| Osmarr | English | God like fame; who is born with glory |
| Osmel | English | One with a preserving and detailed nature |
| Osmod | English | A rare meaning who is under divine protection |
| Osmon | English | One who is provided protection by God |
| Osraed | English | One who is like a divine counselor |
| Osrick | English | A divine and powerful ruler |
| Osryd | English | A majestic and divine counselor |
| Ossy | English | A divine and powerful person; spiritual |
| Osulf | English | A creative and imaginative individual |
| Osuuald | English | One with a clever, optimistic and analytical |
| Osuualdus | English | One who has a desire to understand others |
| Osuuol | English | An intense, practical and desirable person |
| Osuuoldus | English | A happy-go-lucky and gorgeous individual |
| Osvald | English | Rule of God; is very powerful and passionate |
| Osvin | English | One who is a God’s friend |
| Oswell | English | One who has divine and majestic power |
| Oswinus | English | A spontaneous and happy go lucky person |
| Oates | French | Combination of words “Mohan” and “Meet” that combinely means the charming love or charming friend. |
| Octave | French | Gentleman, one who helps or aids others, humanitarian |
| Odil | French | The man who is always on the right path. |
| Olever | French | The olive tree of the branch of olive represent peace |
| Olivier | French | Olive tree caretaker. |
| Ordric | French | An aged or wise ruler |
| Orleans | French | Make wrinkled or creased. |
| Ormondo | French | The brightness of the light. |
| Orrie | French | Addressing from the angle. |
| Orry | French | The cub of the bear. |
| Orval | French | A town of Gold |
| Orvale | French | A own full of gold |
| Orvel | French | The golden shining person |
| Orville | French | The town or city which is filled by golden treasuries. |
| Otave | French | A person who is born on the eighth |
| Othon | French | A fortunate as well as wealthy personality |
| Ottewell | French | The prosperous son of Otewel |
| Outacite | French | Another name for a man-killer |
| Oliver | British | The one who represents the emblem of peace or olive tree. |
| Ordmaer | British | One of the head officials in Anglo-saxon society. |
| Orped | British | One who is courageous and adventurous. |
| Obi | African | One with the beautiful essence, who has the quality of charming aroma. Also, one who have the quality to charm others. |
| Obuya | African | Born when the garden was overgrown. |
| Ochieng | African | Born in the daytime. |
| Odikinyi | African | One who was born in the early morning. |
| Odo | African | Passionately oiled. |
| Odongo | African | Second of twins. |
| Odour | African | Born after midnight. |
| Oghenerioborue | African | Great novel Triumph, prove superior of the contest |
| Ohon | African | The name is preserved. |
| Ojwang | African | One who survived despite neglect. |
| Okal | African | English short form of a Greek “Nicodemus” that means victory of the people. |
| Okapi | African | It’s a Latin word that means a horn. Also an ancient greek word that means pity or mercy. |
| Okello | African | One who was born after twins. |
| Okeyo | African | One who was born during the harvest. |
| Okoth | African | Talkative person. Sometimes used to refer a crow. |
| Olajuwan | African | The exaltation of the triumph. |
| Olu | African | The one who is out standing or extra ordinary. |
| Olufemi | African | The creator loves us, The precious people of God. |
| Oluoch | African | One who was born on a cloudy day. |
| Oluyomi | African | Delivered or sent by God |
| Omariba | African | Kenyan word for clay. |
| Omondi | African | He who was born at dawn. |
| Omwancha | African | He who loves people. |
| Onkwani | African | He who talks a lot. |
| Onyekachi | African | No-one is grander than God |
| Opiyo | African | First of the twins. |
| Oratilwe | African | The dearest and darling one. |
| Oringo | African | God is merciful |
| Osogo | African | The Osogo birth. |
| Othenio | African | Give birth by night. |
| Othiambo | African | One who was born in the evening. |
| Owiti | African | One who was born after a misfortune. |
| Owuor | African | One who was born mid morning. |
| Omar | Arabic | Powerful or fluent orator. |
| Obadiah | Arabic | Refers to the lover of a charming person. Also the one who loves Krishna. |
| Okba | Arabic | An optimistic and blunt individual |
| Oma | Arabic | The one who always stretches his helping hand to others. |
| Omair | Arabic | The person who has brilliant and perfect knowledge. |
| Omari | Arabic | Overcrowded and prosperous. |
| Omarr | Arabic | Deviation form of the name Omar, a great speaker. |
| Omeed | Arabic | Grounds for feeling hopeful. |
| Omer | Arabic | Talker, successful, long-term, growing, blooming |
| Omid | Arabic | The one whose expectations are centred. |
| Ommar | Arabic | The one who born first Boy in the family, the eldest son. |
| Omran | Arabic | Firm construction, Rock-solid building, Concrete configuration |
| Ormar | Arabic | One who is an eloquent speaker |
| Osaf | Arabic | The person who is expert in dancing. |
| Osama | Arabic | The one who is bold and courageous like a lion. |
| Osmen | Arabic | One who is born to show the right path |
| Ossama | Arabic | One who has the power of a Lion |
| Ossamah | Arabic | Lion; powerful and majestic person |
| Othman | Arabic | A brave person who is the chosen one |
| Oukesson | Arabic | A person who is good natured and emits light |
| Ounslow | Arabic | It is like a hill of passionate one |
| Ousama | Arabic | A majestic and charismatic Lion |
| Ovais | Arabic | A variant of Owais; Name of companions of the Prophet; Little Wolf |
| Owais | Arabic | A wolf; the best compannion of the Prophet |
| Owaisy | Arabic | A wolf; a courageous and brave warrior |
These were some of the best baby boy names starting with O. For more baby boy names starting with O, visit below links.
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