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 |
|---|---|---|
| 101 | Oumar | 722 |
| 102 | Opal | 718 |
| 103 | Orian | 710 |
| 104 | Octaviano | 689 |
| 105 | Ousmane | 681 |
| 106 | Othello | 679 |
| 107 | Opie | 678 |
| 108 | Orrie | 675 |
| 109 | Othniel | 668 |
| 110 | Oaklen | 662 |
| 111 | Onnie | 657 |
| 112 | Oz | 643 |
| 113 | Olajuwon | 633 |
| 114 | Ola | 624 |
| 115 | Olando | 621 |
| 116 | Obert | 619 |
| 117 | Ottie | 609 |
| 118 | Orbie | 609 |
| 119 | Ojas | 600 |
| 120 | Orange | 598 |
| 121 | Osborn | 597 |
| 122 | Odus | 596 |
| 123 | Onesimo | 594 |
| 124 | Oak | 588 |
| 125 | Olie | 577 |
| 126 | Orel | 556 |
| 127 | Oluwatobi | 555 |
| 128 | Overton | 544 |
| 129 | Orlanda | 538 |
| 130 | Osmin | 537 |
| 131 | Orien | 536 |
| 132 | Ova | 528 |
| 133 | Oziah | 522 |
| 134 | Olden | 514 |
| 135 | Ormond | 513 |
| 136 | Othman | 503 |
| 137 | Oslo | 502 |
| 138 | Oval | 500 |
| 139 | Oisin | 491 |
| 140 | Omarr | 488 |
| 141 | Odysseus | 482 |
| 142 | Obrian | 482 |
| 143 | Ociel | 482 |
| 144 | Ovie | 480 |
| 145 | Omero | 474 |
| 146 | Orley | 459 |
| 147 | Osmond | 457 |
| 148 | Oleg | 457 |
| 149 | Orbin | 456 |
| 150 | Olliver | 455 |
| 151 | Olvin | 453 |
| 152 | Octave | 449 |
| 153 | Oather | 443 |
| 154 | Ostin | 441 |
| 155 | Olsen | 425 |
| 156 | Oracio | 423 |
| 157 | Ollis | 414 |
| 158 | Olegario | 408 |
| 159 | Oshay | 400 |
| 160 | Owais | 393 |
| 161 | Osias | 391 |
| 162 | Olive | 387 |
| 163 | Osualdo | 387 |
| 164 | Orhan | 385 |
| 165 | Oseas | 384 |
| 166 | Olufemi | 383 |
| 167 | Orry | 377 |
| 168 | Otilio | 375 |
| 169 | Oley | 373 |
| 170 | Odes | 367 |
| 171 | Oswin | 365 |
| 172 | Oreste | 357 |
| 173 | Odean | 351 |
| 174 | Ousman | 351 |
| 175 | Oaklyn | 350 |
| 176 | Onix | 348 |
| 177 | Orlie | 345 |
| 178 | Omkar | 344 |
| 179 | Oddie | 343 |
| 180 | Orestes | 343 |
| 181 | Omair | 328 |
| 182 | Ozan | 318 |
| 183 | Olson | 313 |
| 184 | Ollivander | 311 |
| 185 | Orazio | 310 |
| 186 | Odyn | 307 |
| 187 | Omarian | 304 |
| 188 | Ollen | 302 |
| 189 | Oda | 301 |
| 190 | Ollin | 301 |
| 191 | Obryan | 301 |
| 192 | Obbie | 296 |
| 193 | Oriel | 294 |
| 194 | Orest | 294 |
| 195 | Oseias | 293 |
| 196 | Olyver | 292 |
| 197 | Oronde | 292 |
| 198 | Olamide | 292 |
| 199 | Osiah | 292 |
| 200 | Octavis | 289 |