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.
| 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 |