| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 821 | Norward | Teutonic | Guardian of the north road. | M | |
| 822 | Notcher | Teutonic | Compelling spear. | M | |
| 823 | Notker | Teutonic | Compelling spear. | M | |
| 824 | Ode | Teutonic | Rich. | M | |
| 825 | Odelia | Teutonic | Wealthy. | F | |
| 826 | Odila | Teutonic | Wealthy. | F | |
| 827 | Odile | Teutonic | Wealthy. | F | |
| 828 | Odilo | Teutonic | Rich. | M | |
| 829 | Odo | Teutonic | Rich. | M | |
| 830 | Olaf | Teutonic | Relic. | M | |
| 831 | Olga | Teutonic | Holy object. | F | |
| 832 | Onnan | Teutonic | Mariner. | M | |
| 833 | Orland | Teutonic | Fame of the land. | M | |
| 834 | Orlando | Teutonic | Fame of the land. | M | |
| 835 | Orlantha | Teutonic | Renowned fame. | F | |
| 836 | Orlanthe | Teutonic | Renowned fame. | F | |
| 837 | Ormond | Teutonic | Mariner. | M | |
| 838 | Orton | Teutonic | Rich. | M | |
| 839 | Ortrud | Teutonic | Serpentine. | F | |
| 840 | Ortruda | Teutonic | Serpentine. | F | |