Participants
| Eric Piaget | United States of America |
| Roger Pielke Jr. | United States of America |
| Rinda (GME) Pienaar | South Africa |
| Roberta Pierfederici | Italy |
| Inge Pietersen | South Africa |
| TEBOGO PILLAR | Botswana |
| Vinny Pillay | South Africa |
| REUBEN PITSE | Botswana |
| Wibool Piyawattanametha | Thailand |
| Anna Plater-Zyberk | Poland |
| Gobinda Pokharel | Nepal |
| Elizabeth Pollitzer | United Kingdom |
| Maria Laura Polo Gonzalez | |
| Basanda Pongoma | South Africa |
| Xhantilomzi Malibongwe Pono | South Africa |
| Paolo Pontoniere | United States of America |
| Moshood Popoola | |
| József Popp | Hungary |
| Nancy Potokwane | Botswana |
| Matshediso Potse | South Africa |
| Mirjana Pović | |
| Joanna Powell | United States of America |
| Cheryl Praeger | Australia |
| G.A.S. Premakumara | Sri Lanka |
| Johannes Pretorius | South Africa |
| DAVID JONATHAN PRICE | |
| Chudey PRIDE | Nigeria |