One of the hardest decisions a parent has to make during pregnancy is when they have to name the little one that is going to be with them after some time. The good thing is that we exist, and you got us to help you out in naming your little one!
Below, Super Active Kids will be listing down names that start with the letter “O”, which are in English, so parents, just like you, won’t have a hard time finding the best name for your little one!
500 Baby Boy Names That Start with Letter “O”
| Oafe | Oj | Opelong |
| Oageng | Ojani | Opeyemi |
| Oagile | Ojas | Ophir |
| Oak | Ojay | Oghonoro |
| Oaken | Ojes | Opie |
| Oakile | Ojis | Optimus |
| Oakland | Ojitos | Opus |
| Oaklin | Ojo | Or |
| Oaklynn | Ok | Ora |
| Oaks | Okafor | Orace |
| Oan | Okal | Orah |
| Oarabile | Oke | Orai |
| Oarn | Okeith | Oraine |
| Oarona | Okemdi | Oramel |
| Oas | Okenwa | Oran |
| Oat | Okpara | Orange |
| Oatile | Okus | Oratile |
| Oatlegile | Ol | Orazio |
| Ob | Ola | Orbin |
| Oba | Olace | Orcun |
| Obada | Oladayo | Ordean |
| Obadiah | Och | Ordell |
| Obadiyah | Olaf | Orefile |
| Obaida | Olaise | Orek |
| Obalolu | Olamide | Orentha |
| Obama | Olamiposi | Oreo |
| Obaro | Olan | Oreofe |
| Obay | Oland | Oreon |
| Obbie | Olandis | Ores |
| Obed | Olando | Orestes |
| Obelix | Olani | Orh |
| Oben | Olaoluwa | Ogoro |
| Ober | Olas | Orhan |
| Oberol | Olav | Oria |
| Obert | Olavi | Oriah |
| Obet | Olavo | Orien |
| Obeth | Old | Original |
| Obie | Oldair | Oril |
| Obinna | Oldrich | Orinn |
| Obiwan | Oldright | Orino |
| Oblora | Oldrik | Oriol |
| Obo | Odour | Orizon |
| Oboghene | Ole | Orlan |
| Oboy | Olee | Orlandis |
| Obra | Oleg | Orlando |
| Obree | Oleh | Orle |
| Obrempong | Olek | Orlin |
| Obrey | Olem | Ormond |
| Obriel | Odwolfe | Orpheas |
| Obryan | Olen | Orran |
| Obryant | Olester | Orren |
| O’Bryant | Olga | Orrin |
| Obsa | Oli | Orry |
| Obsidian | Oliber | Ohit |
| Obum | Olin | Orson |
| Oby | Olinga | Orville |
| Oc | Oliver | Orvin |
| Ocasio | Olivia | Oryan |
| Ocean | Olivier | Oryn |
| Oceane | Oliwier | Os |
| Oceano | Ollie | Osagle |
| Oceanus | Olliver | Osal |
| Oceloti | Olly | Osald |
| Oche | Olon | Osama |
| Ochi | Olonzo | Osaze |
| Ochleng | Olorato | Osbaldo |
| Ocho | Olorin | Osbert |
| Ochoa | Olowin | Osborn |
| Ocian | Olsen | Osborne |
| Ociel | Olsi | Osbourne |
| Ocious | Olsson | Oscar |
| O’Cir | Olston | Osei |
| Ockert | Olti | Oshae |
| Ocsar | Oluchi | O’Shae |
| Octabio | Oluf | Oshane |
| Octav | Olufela | Oshea |
| Octave | Olugaho | O’Shea |
| Octavian | Olumide | Osiah |
| Octavier | Olutoni | Osiris |
| Octavio | Oluwa | Oskar |
| Octavious | Odunayo | Oskars |
| Octavis | Olvin | Osker |
| Octavius | Olympia | Oslas |
| October | Olympio | Osman |
| Octopus | Olympus | Osmond |
| Od | Olyn | Osmondo |
| Oda | Olynne | Ossian |
| Odafe | Om | Ossie |
| Odaine | Oma | Osten |
| Odal | Omai | Ostin |
| Odalaletseng | Omair | Oistin |
| Odame | Omais | Osvaldo |
| Odane | Omald | Oswald |
| Odanys | Omallet | Oswaldo |
| Odarius | Omani | Ot |
| Odas | Ofer | Otavio |
| Oday | Omar | Oteng |
| Odbayar | Omaran | Otha |
| Odd | Omarcio | Othalive |
| Oddershede | Omarey | Othello |
| Oddie | Omario | Othman |
| Oddis | Omarion | Ojan |
| Oalo | Omarius | Ojanomare |
| Odean | Omax | Othniel |
| Odeh | Omega | Otho |
| Odehe | Omesa | Otilio |
| Odel | Omesh | Okapi |
| Obalesh | Omg | Otis |
| Odell | Omh | Otniel |
| Oden | Omish | Otoniel |
| Odette | Ommphile | Otsile |
| Odev | Omna | Ottavio |
| Odgaard | Omo | Otto |
| Occhay | Omotola | Okello |
| Odie | Omp | Otu |
| Odies | Omphemetse | Ouday |
| Odilio | Omri | Oudom |
| Odilon | On | Oumar |
| Odin | Onam | Oun |
| Odinaka | Onar | Ouse |
| Odissey | Onari | Ousman |
| Odlanler | Onas | Ousmane |
| Odoardo | Once | Ousmania |
| Odon | Ondie | Oussama |
| Odos | Ondoy | Ov |
| Odra | Ondra | Over |
| Odran | Ondray | Overcomer |
| Odrick | Ondre | Ovid |
| Ods | Oneal | Ovidio |
| Oduwa | O’Neal | Ovidlu |
| Odwa | Ognian | Ovie |
| Ody | Oneil | Ovlyan |
| Odysseas | Onesimo | Ow |
| Odysseus | Onest | Owais |
| Odyssey | Oney | Owake |
| Oen | Ong | Owam |
| Of | Ongani | Owami |
| Ofa | Ongsa | Owan |
| Ofe | Onil | Owen |
| Ofentse | Onin | Owenn |
| Offek | Onion | Owin |
| Offersen | Onir | Owinn |
| Offie | Onix | Own |
| Ofori | Onkagile | Owolabi |
| Og | Onno | Owolski |
| Ogaga | Onree | Oxey |
| Ogba | Onrey | Oxley |
| Ogbeide | Onsare | Oyalo |
| Ogden | Onsassis | Oyed |
| Oge | Onsie | Oyisa |
| Ogene | Ogima | Oyl |
| Oggie | Ontario | Oz |
| Oggy | Onthatile | Ozaan |
| Oghburne | Ontonio | Ozair |
| Oghenero | Ontreil | Ozan |
| Oghenevio | Onuh | Ozario |
| Ogie | Onur | Ozayr |
| Ogitchitaa | Onxy | Ozbej |
| Ognen | Ony | Ozcar |
| Ognjen | Onyu | Ozell |
| Oguz | Onyx | Ozi |
| Oh | Onzie | Ozie |
| Ohaji | Oolong | Ozlas |
| Ohene | Oopsie | Ozric |
| Oheneba | Op | Ozwald |
| Ohm | Opal | Ozzy |
| Oisin | Ope |
Do you think we missed out on amazing names that start with the letter “O”? Let us know by leaving a comment in the comments section below so we can add them right away!
