The Most Popular Boy Baby Names From 2025 Starting On O.
Looking for a boy baby name starting on O? These were the 100 most popular names
from 2025 - sorted by popularity. Click on a name to learn more. The rank next to each name is the position on the overall top list for boys
this specific year.
| Rank | Name | How Unique? | Total births this year |
|---|---|---|---|
| 3 | Oliver | 1 in 98 (1.02%) | 14,939 |
| 31 | Owen | 1 in 204 (0.49%) | 7,190 |
| 223 | Oscar | 1 in 914 (0.11%) | 1,605 |
| 259 | Omar | 1 in 1,123 (0.09%) | 1,306 |
| 276 | Otto | 1 in 1,200 (0.08%) | 1,222 |
| 334 | Orion | 1 in 1,487 (0.07%) | 986 |
| 367 | Onyx | 1 in 1,727 (0.06%) | 849 |
| 453 | Oakley | 1 in 2,212 (0.05%) | 663 |
| 502 | Odin | 1 in 2,591 (0.04%) | 566 |
| 536 | Ozzy | 1 in 2,809 (0.04%) | 522 |
| 657 | Otis | 1 in 3,889 (0.03%) | 377 |
| 670 | Omari | 1 in 3,974 (0.03%) | 369 |
| 706 | Ocean | 1 in 4,313 (0.02%) | 340 |
| 744 | Ozias | 1 in 4,807 (0.02%) | 305 |
| 887 | Orlando | 1 in 6,605 (0.02%) | 222 |
| 995 | Oziel | 1 in 8,057 (0.01%) | 182 |
| 1050 | Ollie | 1 in 9,222 (0.01%) | 159 |
| 1105 | Osiris | 1 in 10,183 (0.01%) | 144 |
| 1181 | Osman | 1 in 11,825 (0.01%) | 124 |
| 1222 | Oren | 1 in 12,532 (0.01%) | 117 |
| 1245 | Octavio | 1 in 13,210 (0.01%) | 111 |
| 1298 | Oakland | 1 in 14,663 (0.01%) | 100 |
| 1331 | Osvaldo | 1 in 15,938 (0.01%) | 92 |
| 1457 | Orson | 1 in 19,815 (0.01%) | 74 |
| 1491 | Osiel | 1 in 20,947 (0%) | 70 |
| 1555 | Orhan | 1 in 23,274 (0%) | 63 |
| 1668 | Oskar | 1 in 27,666 (0%) | 53 |
| 1669 | Ozzie | 1 in 27,666 (0%) | 53 |
| 1683 | Obadiah | 1 in 28,198 (0%) | 52 |
| 1891 | Oziah | 1 in 37,597 (0%) | 39 |
| 1916 | Ori | 1 in 38,586 (0%) | 38 |
| 1917 | Oslo | 1 in 38,586 (0%) | 38 |
| 1962 | Om | 1 in 40,730 (0%) | 36 |
| 2110 | Olin | 1 in 48,876 (0%) | 30 |
| 2136 | Obed | 1 in 50,562 (0%) | 29 |
| 2137 | Olsen | 1 in 50,562 (0%) | 29 |
| 2138 | Omer | 1 in 50,562 (0%) | 29 |
| 2194 | Osmar | 1 in 54,307 (0%) | 27 |
| 2317 | Ojas | 1 in 63,751 (0%) | 23 |
| 2318 | Olivier | 1 in 63,751 (0%) | 23 |
| 2319 | Oswald | 1 in 63,751 (0%) | 23 |
| 2404 | Orin | 1 in 69,823 (0%) | 21 |
| 2405 | Oumar | 1 in 69,823 (0%) | 21 |
| 2615 | Oaklen | 1 in 86,252 (0%) | 17 |
| 2616 | Octavius | 1 in 86,252 (0%) | 17 |
| 2674 | Oaks | 1 in 91,643 (0%) | 16 |
| 2736 | Oden | 1 in 97,752 (0%) | 15 |
| 2737 | Oswaldo | 1 in 97,752 (0%) | 15 |
| 2870 | Oakes | 1 in 112,791 (0%) | 13 |
| 2871 | Oaklee | 1 in 112,791 (0%) | 13 |
| 2872 | Osiah | 1 in 112,791 (0%) | 13 |
| 2873 | Ovidio | 1 in 112,791 (0%) | 13 |
| 2874 | Owais | 1 in 112,791 (0%) | 13 |
| 2967 | Ousmane | 1 in 122,190 (0%) | 12 |
| 3073 | Oak | 1 in 133,299 (0%) | 11 |
| 3074 | Orrin | 1 in 133,299 (0%) | 11 |
| 3194 | Ociel | 1 in 146,628 (0%) | 10 |
| 3195 | Orlin | 1 in 146,628 (0%) | 10 |
| 3265 | Omid | 1 in 162,920 (0%) | 9 |
| 3266 | Oshea | 1 in 162,920 (0%) | 9 |
| 3267 | Osias | 1 in 162,920 (0%) | 9 |
| 3333 | Oseias | 1 in 183,286 (0%) | 8 |
| 3334 | Othman | 1 in 183,286 (0%) | 8 |
| 3335 | Ozziel | 1 in 183,286 (0%) | 8 |
| 3473 | Omri | 1 in 209,469 (0%) | 7 |
| 3474 | Ovadia | 1 in 209,469 (0%) | 7 |
| 3475 | Oz | 1 in 209,469 (0%) | 7 |
| 3698 | Obinna | 1 in 244,381 (0%) | 6 |
| 3699 | Oday | 1 in 244,381 (0%) | 6 |
| 3700 | Ole | 1 in 244,381 (0%) | 6 |
| 3701 | Osbaldo | 1 in 244,381 (0%) | 6 |
| 4206 | Obi | 1 in 293,257 (0%) | 5 |
| 4207 | Octavian | 1 in 293,257 (0%) | 5 |
| 4208 | Ollin | 1 in 293,257 (0%) | 5 |
| 4209 | Omran | 1 in 293,257 (0%) | 5 |
| 4210 | Orest | 1 in 293,257 (0%) | 5 |
| 4211 | Oryan | 1 in 293,257 (0%) | 5 |
| 4212 | Oseas | 1 in 293,257 (0%) | 5 |
| 4213 | Othniel | 1 in 293,257 (0%) | 5 |
Source: U.S. Social Security Administration · Data through 2025 · Updated 2026
