| Padilla Cristobal | CERN | CERN |
| Pakvasa Sandip | University of Hawaii | USA |
| Pan Yibin | University of Wisconsin, Madison | USA |
| Pancheri Giulia | INFN - Frascati National Laboratories | Italy |
| Panvini Bob | Vanderbilt University | USA |
| Papadimitriou Vaia | Texas Tech University | USA |
| Parashar Neeti | Louisiana Tech | USA |
| Parke Stephen | Fermi National Accelerator Laboratory | USA |
| Parua Nirmalya | State University of New York, Stony Brook | USA |
| Pascoli Silvia | University of California, Los Angeles | USA |
| Paul Stephan | Technische Universit�t M�nchen | Germany |
| Peach Ken | CCLRC Rutherford Appleton Laboratory | UK |
| Peccei Roberto | University of California, Los Angeles | USA |
| Peoples John | Fermi National Accelerator Laboratory | USA |
| Perez Emmanuelle | CEA Saclay | France |
| Perez Miguel A. | CINVESTAV | Mexico |
| Perez Martinez Aurora | ICIMAF, Havana | Cuba |
| Peroni Cristiana | Universita' di Torino - INFN | Italy |
| Peruzzi Piccolo Ida | Laboratori Nazionali di Frascati - University of Perugia | Italy |
| Petrarca Silvano | INFN, Roma | Italy |
| Petyt David | University of Minnesota | USA |
| Pietschmann Herbert | University of Vienna | Austria |
| Piilonen Leo | Virginia Tech | USA |
| Pilcher James | University of Chicago | USA |
| Pitts Kevin | University of Illinois | USA |
| Pitzl Daniel | DESY | Germany |
| Podobnik Tomaz | University of Ljubljana and "Jozef Stefan" Institute, Ljubljana | Slovenia |
| Ponce William A. | Universidad de Antioquia | Colombia |
| Pooth Oliver | RWTH Aachen | Germany |
| Pratt Tracey | University of Liverpool | UK |
| Predazzi Enrico | Universita' di Torino - INFN | Italy |
| Prell Soeren | Iowa State University | USA |
| Prepost Richard | University of Wisconsin | USA |