Baby Boy Names That Start With O

Looking for baby boys names that start with O? Browse our complete list of boy names beginning with the letter O, ranked by all-time popularity based on Social Security Administration data.

Whether you're looking for classic boy names that start with O or unique options, you'll find hundreds of choices below with their total birth counts.

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All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Rank Name Total Births
301 Osric 125
302 Okie 124
303 Olivander 124
304 Omarii 123
305 Oryon 122
306 Olawale 120
307 Oluwaferanmi 118
308 Obsidian 118
309 Orvile 118
310 Olly 117
311 Orlandus 116
312 Olis 114
313 Ogle 113
314 Olanda 111
315 Ossiel 111
316 Oberyn 111
317 Onaje 109
318 Odinn 109
319 Oney 109
320 Olof 107
321 Orva 105
322 Oiva 104
323 Oxford 103
324 Ojani 102
325 Onyxx 102
326 Osamah 101
327 Okechukwu 100
328 Osinachi 99
329 Ossian 98
330 Oluwasemilore 98
331 Othar 97
332 Oshua 95
333 Osamu 94
334 Osmani 94
335 Onyekachi 92
336 Olyn 92
337 Ondra 92
338 Ona 92
339 Ozair 92
340 Oluwatoni 91
341 Omni 91
342 Ottavio 90
343 Oaklynn 88
344 Omare 88
345 Oddis 87
346 October 87
347 Osa 87
348 Oneill 87
349 Osha 85
350 Omarius 84
351 Ott 84
352 Oswell 84
353 Oron 83
354 Omarri 82
355 Oluwatimileyin 82
356 Odarius 82
357 Orlandis 80
358 Olanrewaju 80
359 Orey 79
360 Oluwatamilore 79
361 Onni 79
362 Otavio 79
363 Olusegun 77
364 Orpheus 76
365 Oleksandr 76
366 Orlondo 76
367 Oxley 75
368 Omi 75
369 Osvin 75
370 Omario 74
371 Obe 73
372 Owenn 73
373 Oluwatomiwa 72
374 Othon 70
375 Osirus 69
376 Obdulio 68
377 Oba 67
378 Ozlo 67
379 Oseph 67
380 Ozro 66
381 Oasis 65
382 Ozziel 64
383 Omani 64
384 Oluwatomisin 64
385 Omarrion 62
386 Oshane 61
387 Osceola 61
388 Oved 60
389 Obra 59
390 Oaklynd 55
391 Oleander 54
392 Oleh 54
393 Osbourne 53
394 Olice 52
395 Okoye 51
396 Osburn 51
397 Ohene 51
398 Odalis 51
399 Oluwatise 51
400 Ozymandias 50