Name
- Owain Gwynedd, alias Owain Efan1
- Owain Twna1
- Owen, Jane1
- Parry, Morris1
- Pennant, Hugh1
- Potter, Christopher?, Dr1
- Price, Edmund1
- Price, Thomas, of Plas Jolyn1
- R-, Reverend; of King's College1
- Raff ab Robert1
- Rhisiart Cynwal1
- Rhisiart ab Gruffydd ab Huw1
- Rhys Cadwalader, Syr1
- Rhys Meigan1
- Rhys ab Cynfrig Goch1
- Rhys ab Hywel ab Morgan1
- Rhys o Garno, alias Rhys o Drwen1
- Robert ab Davydd Llwyd1
- Robert ab Gruffydd ab Jevan1
- Robert ab Ifan ab Morgan1