| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 341 | Penda | Anglo-Saxon | Name of a king. | M | |
| 342 | Pendragon | Anglo-Saxon | From the dragon's enclosed land. | M | |
| 343 | Penrith | Anglo-Saxon | From Penrith. | M | |
| 344 | Perry | Anglo-Saxon | Pear tree. | M | |
| 345 | Pierce | Anglo-Saxon | Rock. | M | |
| 346 | Piers | Anglo-Saxon | Rock. | M | |
| 347 | Pleoh | Anglo-Saxon | Danger. | M | |
| 348 | Prasutagus | Anglo-Saxon | Name of a king. | M | |
| 349 | Putnam | Anglo-Saxon | Dwells by the pond. | M | |
| 350 | Raedan | Anglo-Saxon | Advises. | M | |
| 351 | Raedbora | Anglo-Saxon | Advises. | M | |
| 352 | Raedwald | Anglo-Saxon | Name of a king. | M | |
| 353 | Ramm | Anglo-Saxon | Ram. | M | |
| 354 | Rand | Anglo-Saxon | Wolf shield. Variant of Randolph. | M | |
| 355 | Rawlins | Anglo-Saxon | Son of Rolfe. | M | |
| 356 | Recene | Anglo-Saxon | Quick. | M | |
| 357 | Renweard | Anglo-Saxon | Guardian of the house. | M | |
| 358 | Rheged | Anglo-Saxon | From Rheged. | M | |
| 359 | Rice | Anglo-Saxon | Powerful. | M | |
| 360 | Rinan | Anglo-Saxon | Rain. | M | |