- Robert Pacht
- Robert Pardy
- Robert Parnow
- Robert Parzick
- Robert Pauli
- Robert Payne
- Robert Pees
- Robert Percival
- Robert Perry
- Robert Peterson
- Robert Petitt
- Robert Petrini
- Robert Phillips
- Robert Phillips
- Robert Picard
- Robert Pick
- Robert Pickering
- Robert Pistilli
- Robert Plechinger
- Robert Plesnarski
- Robert Plotkin
- Robert Podvey
- Robert Popeo
- Robert Popowski
- Robert Possehl
- Robert Post
- Robert Pruzan
- Robert Rabeck
- Robert Rabinowitz
- Robert Raciti
- Robert Rackind
- Robert Radcliffe-Smith
- Robert Ramsey III
- Robert Ravenelle
- Robert Rawn
- Robert Recer
- Robert Reetz, Jr.
- Robert Regis
- Robert Reifman
- Robert Reisley