Former Owner
- Philip Robinson1
- Philippe II de Croÿ1
- Piero Ginori Conti3
- Pierre Fraenkel1
- Pierre Gorman1
- Pierre Tassel1
- Pietro Civaleri1
- Pietro Giuseppe Ignati Mattei Cattochii1
- Pietro Millini1
- Pius XI1
- Poblet Monastery1
- Prince Augustus Frederick, Duke of Sussex3
- Prince Sadruddin Aga Khan6
- Qusṭanṭīn ibn Lūdūlf1
- Rafael Gomes1
- Raphael Nathan Nata Rabinowitz1
- Raymond Oliver1
- Richard Halter1
- Richard Heber2
- Richard James Horatio Gottheil1