| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 681 | Orlan | German | Renowned in the land. Form of Roland. | M | |
| 682 | Orland | German | Renowned in the land. Form of Roland. | M | |
| 683 | Orlando | German | Variant of Roland: Famed land; renowned in the land. | M | |
| 684 | Orlin | German | Renowned in the land. Form of Roland. | M | |
| 685 | Orlondo | German | Renowned in the land. Form of Roland. | M | |
| 686 | Oswald | German | Power of God. | M | |
| 687 | Othman | German | Wealthy. | M | |
| 688 | Othmann | German | Wealthy. | M | |
| 689 | Otho | German | Wealthy. | M | |
| 690 | Othomann | German | Wealthy. | M | |
| 691 | Otis | German | Wealthy. | M | |
| 692 | Otto | German | Born eighth or wealthy. | M | |
| 693 | Ottokar | German | Happy fighter. | M | |
| 694 | Peer | German | A rock. Form of Peter. | M | |
| 695 | Penn | German | Commander. | M | |
| 696 | Penrod | German | Famous commander. | M | |
| 697 | Pepin | German | Petitioner. | M | |
| 698 | Peppi | German | Petitioner. | M | |
| 699 | Per | German | A rock. Form of Peter. | M | |
| 700 | Poldie | German | Diminutive of Leopold: Bold people. Prince of the people. | M | |