Name
- Parker, John Henry, CB; Keeper of the Ashmolean Museum1
- Pauper, Family1
- Paynell, Family1
- Pearson, Hugh Nicholas, Dean of Salisbury1
- Pegge, Samuel, the younger1
- Penny Cyclopaedia1
- Percy, Charlotte Florentia, née Clive, governess to Queen Victoria, wife of 3rd Duke of Northumberland, 1787-18661
- Percy, Hugh, 3rd Duke of Northumberland, politician and landowner, 1785-18471
- Pettigrew, Thomas Joseph, surgeon and antiquary1
- Phillipps, Thomas, 1st Baronet, collector of books and manuscripts, 1792-1872, http://isni.org/isni/000000...1
- Phipps, Charles Beaumont, Colonel KCB, Keeper of the Queen's Purse1
- Pickering, William, publisher, 1796-18541
- Pinkeney, Family1
- Planta, Joseph, Principal Librarian British Museum1
- Planta, Joseph, the younger, GCH, diplomatist and politician, 1787-18471
- Playfair, James, DD, Principal of St Andrews1
- Pomeroy, Henry, 2nd Viscount Harberton1
- Port, Family1
- Porter, William Warren, Reverend; of St John's College, Oxford1
- Price, John, Reverend Bodley's Librarian1