| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 481 | Pisanio | Shakespearean | 'Cymbeline' A servant to Posthumus. | M | |
| 482 | Pistol | Shakespearean | 'King Henry IV, Part 2' An irregular humorist. In Henry V, Pistol is a soldier in the King's army. 'The Merry Wives of Windsor' A Follower of Falstaff. | M | |
| 483 | Plantagenet | Shakespearean | 'Henry VI, Part 1' Reignier's daughter, afterwards married to Henry VI. 'Henry VI, Part III' Queen Margaret. 'Much Ado About Nothing' Gentlewoman attending on Hero. 'King Richard III' King Henry VI's widow. 'King Richard III' Clarence's daughter. | F | |
| 484 | Plantagenet | Shakespearean | 'King Henry IV, Part 1' Richard Scroop, Archbishop of York. 'King Henry IV, Part 1' Sir Richard Vernon. Falstaff. 'Henry VI, Part 1 and 2', 'King Henry V', Richard Plantagenet, afterwards Duke of York, cousin to King Henry V. | M | |
| 485 | Poins | Shakespearean | 'King Henry IV, Part 1 and 2' Edward Poins, an irregular humorist. | M | |
| 486 | Polixenes | Shakespearean | 'The Winter's Tale' King of Bohemia | M | |
| 487 | Polonius | Shakespearean | 'Hamlet, Prince of Denmark' Lord Chamberlain. | M | |
| 488 | Pompeius | Shakespearean | Antony and Cleopatra'. Sextus Pompeius, Roman triumvir. | M | |
| 489 | Pompey | Shakespearean | 'Measure for Measure' A clown and servant to Mistress Overdone. | M | |
| 490 | Popilius | Shakespearean | 'The Tragedy of Julius Caesar' A senator. | M | |
| 491 | Portia | Shakespearean | 'The Tragedy of Julius Caesar' Wife of Brutus. 'The Merchant of Venice' A rich heiress, pursued by Bassanio. | F | |
| 492 | Posthumus | Shakespearean | 'Cymbeline' Posthumus Leonatus, a gentleman and husband to Imogen. | M | |
| 493 | Priam | Shakespearean | 'The History of Troilus and Cressida' King of Troy. | M | |
| 494 | Proculeius | Shakespearean | Antony and Cleopatra'. Friend to Caesar. | M | |
| 495 | Prologue | Shakespearean | A Midsummer Night's Dream' Quince, a carpenter, acts as Prologue in the play within the play. | M | |
| 496 | Prospero | Shakespearean | 'The Tempest' The rightful Duke of Milan. | M | |
| 497 | Proteus | Shakespearean | 'Two Gentlemen of Verona' One of the two gentlemen in the title. | M | |
| 498 | Provost | Shakespearean | 'Measure for Measure' | M | |
| 499 | Puck | Shakespearean | A Midsummer Night's Dream' Puck, or Robin Goodfellow, mischievous fairy. | F | |
| 500 | Pyramus | Shakespearean | A Midsummer Night's Dream' Bottom, a weaver, acts as Pyramus in the play within the play. | M | |