Name
- Oglander, John1
- Osborne, Thomas, 1st Duke of Leeds, 1632-17121
- Oxburgh, L- H-1
- Palgrave, John, 1st Baronet1
- Palmer, Edward, of Egerton MS 26511
- Paltock, John1
- Parker, William, Baron Monteagle, afterwards 1st Baron Morley and Monteagle1
- Parsons, Thomas1
- Peacock, Oliver1
- Pelware, T-1
- Pen, John, Lieutenant1
- Penn, William, of Add MS 320961
- Peryam, William, Chief Baron of the Exchequer, 1534–16041
- Peyton, William1
- Philip IV, of Spain, 1605-16651
- Phillipps, Robert, MP1
- Phillips, Fabian1
- Pishobary Manor, Hertfordshire1
- Pittes, John, of Hull1
- Plackering, John, Lord Keeper1