| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 261 | Niyol | NativeAmerican | Wind (Navajo). | M | |
| 262 | Nodin | NativeAmerican | Wind. | M | |
| 263 | Nootau | NativeAmerican | Fire (Algonquin). | M | |
| 264 | Nosh | NativeAmerican | Father (Algonquin). | M | |
| 265 | Noshi | NativeAmerican | Father (Algonquin). | M | |
| 266 | Nukpana | NativeAmerican | Evil (Hopi). | M | |
| 267 | Ocumwhowurst | NativeAmerican | Yellow wolf (Cheyenne). | M | |
| 268 | Ocunnowhurst | NativeAmerican | Yellow wolf (Cheyenne). | M | |
| 269 | Odakota | NativeAmerican | Friend (Sioux). | M | |
| 270 | Ogaleesha | NativeAmerican | Wears a red shirt (Sioux). | M | |
| 271 | Ohanko | NativeAmerican | Reckless. | M | |
| 272 | Ohanzee | NativeAmerican | Shadow (Sioux). | M | |
| 273 | Ohcumgache | NativeAmerican | Little wolf (Cheyenne). | M | |
| 274 | Ohitekah | NativeAmerican | Brave (Sioux). | M | |
| 275 | Okhmhaka | NativeAmerican | Little wolf (Cheyenne). | M | |
| 276 | Omawnakw | NativeAmerican | Cloud feather (Hopi). | M | |
| 277 | Otaktay | NativeAmerican | Kills many (Sioux). | M | |
| 278 | Otoahhastis | NativeAmerican | Tall bull (Cheyenne). | M | |
| 279 | Otoahnacto | NativeAmerican | Bull bear (Cheyenne). | M | |
| 280 | Ouray | NativeAmerican | Arrow. | M | |