Boy names that start with O (184)
184 boy and unisex names starting with O, most popular in the US first. The top boy names that start with O right now are Oliver, Owen and Oscar. Short and sweet: Owen, Omar, Otto, Onyx and Odin. With a meaning to share: Oliver, Owen and Oscar. Rarer finds: Ollie, Osiris, Osman and Oren. Each name shows its meaning when we have one.
Popular in the US
- Boy name: Oliverolive treeUS rank #3
- Unisex name: Owenwell-bornUS rank #31
- Boy name: Oscardeer loverUS rank #223
- Boy name: Omarflourishing, long-livedUS rank #260
- Boy name: OttowealthUS rank #277
- Unisex name: Orionhunter of Greek mythUS rank #334
- Unisex name: Onyxclaw, fingernailUS rank #365
- Unisex name: Oakleyoak clearingUS rank #454
- Unisex name: Odinfrenzy, inspirationUS rank #501
- Boy name: OzzyUS rank #548
- Boy name: Otiswealth, fortuneUS rank #652
- Boy name: OmariUS rank #686
- Boy name: OziasUS rank #707
- Unisex name: OceanoceanUS rank #717
- Boy name: Orlandofamous landUS rank #871
- Boy name: OzielUS rank #996
- Unisex name: Ollieolive treeUS rank #1,056
- Boy name: OsirisUS rank #1,075
- Boy name: OsmanUS rank #1,156
- Boy name: Orenpine treeUS rank #1,183
- Boy name: Osvaldodivine powerUS rank #1,401
- Boy name: Orsonbear cubUS rank #1,425
- Boy name: OzzieUS rank #1,451
- Boy name: OskarUS rank #1,743
- Unisex name: OlinUS rank #1,837
- Boy name: OrinUS rank #1,852
- Boy name: Oslofrom Oslo, NorwayUS rank #1,959
- Boy name: ObedservantUS rank #2,056
- Boy name: OctaviuseighthUS rank #2,056
- Unisex name: Omersheaf of grainUS rank #2,091
- Boy name: Oswalddivine powerUS rank #2,145
- Boy name: OrrinUS rank #2,258
- Unisex name: Oakoak treeUS rank #2,332
- Boy name: OsmarUS rank #2,332
- Unisex name: Oakesnear the oak treesUS rank #2,421
- Boy name: OsheaUS rank #2,480
- Boy name: Olivierolive treeUS rank #2,539
- Boy name: OctavianeighthUS rank #2,572
- Boy name: OdysseuswrathfulUS rank #2,833
- Boy name: Oaksnear the oak treesUS rank #2,884
- Unisex name: OsiasUS rank #2,884
- Boy name: Oswaldodivine powerUS rank #2,991
- Boy name: OlenUS rank #3,450
- Unisex name: OzstrengthUS rank #3,450
- Boy name: OmriUS rank #3,513
- Unisex name: Omegagreat OUS rank #3,949
- Boy name: Olliverolive treeUS rank #4,249
- Unisex name: OrielUS rank #4,249
- Boy name: OvidioUS rank #4,249
- Unisex name: Odellwoad hillUS rank #4,396
- Boy name: Ostingreat, venerableUS rank #4,396
- Boy name: Oisinlittle deerUS rank #4,539
- Boy name: Osbornedivine bearUS rank #4,539
- Unisex name: Oranlittle pale green oneUS rank #5,045
- Boy name: OsamalionUS rank #5,208
- Unisex name: Oberonelf rulerUS rank #5,399
- Boy name: OwynUS rank #5,608
- Boy name: OrvilleUS rank #6,143
- Boy name: Osbaldodivine powerUS rank #6,143
- Boy name: Oswingod's friendUS rank #6,143
- Boy name: Osmonddivine protectorUS rank #6,446
- Boy name: OsminUS rank #6,803
- Boy name: Owensson of OwenUS rank #6,803
- Boy name: Osbournedivine bearUS rank #7,194
- Boy name: ObieUS rank #7,679
- Boy name: Osricdivine rulerUS rank #7,679
- Boy name: OzziUS rank #7,679
- Unisex name: Octobereighth monthUS rank #8,243
- Boy name: Ogdenoak valleyUS rank #8,243
- Unisex name: OrienUS rank #8,243
- Boy name: OrynUS rank #8,243
- Boy name: OwinUS rank #8,243
- Boy name: Odysseylong journeyUS rank #8,910
- Boy name: Onieldescendant of NiallUS rank #8,910
- Unisex name: Oracledivine prophecyUS rank #8,910
- Unisex name: Ossianlittle deerUS rank #8,910
- Boy name: OthelloUS rank #8,910
- Boy name: Oxleyfrom the ox meadowUS rank #8,910
- Boy name: Oneildescendant of NiallUS rank #9,714
- Boy name: OrlanUS rank #9,714
- Boy name: OrrenUS rank #9,714
- Boy name: OshaeUS rank #9,714
- Boy name: Osmunddivine protectionUS rank #9,714
- Boy name: Osvinfriend of GodUS rank #9,714
- Boy name: Owainwell-bornUS rank #9,714
- Boy name: OlynUS rank #10,695
- Boy name: Onealdescendant of NiallUS rank #10,695
- Boy name: OrryUS rank #10,695
- Boy name: Osborndivine bearUS rank #10,695
- Boy name: OshaneUS rank #10,695
- Boy name: OwynnUS rank #10,695
- Boy name: Odhranlittle dun-colored oneUS rank #12,008
- Boy name: Olafancestor's heirUS rank #12,008
- Boy name: Oliverioolive treeUS rank #12,008
- Boy name: Orsenbear cubUS rank #12,008
- Boy name: OseiUS rank #12,008
- Boy name: OttavioeighthUS rank #12,008
- Boy name: Oxfordfrom the oxen fordUS rank #12,008
More names
- Boy name: Oakie
- Boy name: Oakly
- Unisex name: Obama
- Boy name: Obbie
- Boy name: Obe
- Unisex name: Obert
- Boy name: Obey
- Boy name: Oby
- Boy name: Oceano
- Boy name: Octave
- Boy name: Octaviano
- Boy name: Octavien
- Boy name: Octavis
- Boy name: Octavus
- Unisex name: Ode
- Boy name: Odel
- Boy name: Odom
- Boy name: Ohan
- Unisex name: Ohara
- Unisex name: Ohtli
- Boy name: Ojay
- Boy name: Okey
- Boy name: Okie
- Boy name: Olie
- Boy name: Olindo
- Boy name: Olivio
- Boy name: Olle
- Boy name: Olney
- Boy name: Onel
- Boy name: Oney
- Unisex name: Oni
- Boy name: Onslow
- Boy name: Ora
- Unisex name: Oral
- Boy name: Oram
- Boy name: Orange
- Boy name: Orazio
- Boy name: Ord
- Unisex name: Ordell
- Boy name: Oreste
- Boy name: Orestes
- Boy name: Orik
- Boy name: Oris
- Boy name: Orlean
- Unisex name: Orlee
- Boy name: Orlondo
- Boy name: Ormond
- Boy name: Oro
- Boy name: Oron
- Boy name: Orpheus
- Boy name: Orran
- Boy name: Orrey
- Boy name: Orrick
- Boy name: Orrie
- Boy name: Orris
- Boy name: Orton
- Boy name: Orval
- Boy name: Orvel
- Boy name: Orvell
- Boy name: Orvie
- Boy name: Orvil
- Boy name: Orvin
- Boy name: Orwin
- Boy name: Oryon
- Unisex name: Osaze
- Boy name: Osbert
- Boy name: Osbon
- Boy name: Osburn
- Unisex name: Osceola
- Boy name: Osee
- Boy name: Osgood
- Boy name: Oshai
- Boy name: Oshaun
- Boy name: Oshay
- Boy name: Oshaye
- Boy name: Osker
- Boy name: Ossie
- Boy name: Osten
- Boy name: Ostyn
- Boy name: Oswell
- Boy name: Oswyn
- Boy name: Ottmar
- Unisex name: Ova
- Unisex name: Overton
- Boy name: Ovid
- Boy name: Ozi