Name
- Ott, John Henry, Librarian at Lambeth Palace, and Prebendary of Peterborough1
- Owens, John, alias Owen; Bookseller at Oxford1
- Pesmes, François Louis de, Sieur de St Saphorin, French Ambassador to Vienna1
- Petiver, James, apothecary, botanist, natural history collector, c 1665-1718, http://viaf.org/viaf/347993861
- Philastor1
- Phillips, Jo-1
- Plainer, Richard1
- Plowden, M-, wife of William Plowden1
- Plukenett, Leonard, MD; Superintendent of Hampton Court Gardens1
- Plumptre, Henry, MD, FRS, President of the Royal College of Physicians 17401
- Porteous, W-1
- Power, Henry, M D, of Christ's College, Cambridge, and of Halifax1
- Preston, Charles, MD, of Edinburgh1
- Preston, George, brother of Dr. Chas. Preston; and Professor of Botany at Edinburgh1
- Pritchard, William, Steward of the Florists Society1
- Pupplett, Richard1
- Ray, John, Reverend; of Black Nutley, county Essex; Fellow of Trinity College, Cambridge, 1627-17051
- Richardson, Richard, senior MD, Botanist1
- Robertsone, William1
- Rose, Francis, Colonel1