| Paegle, Linda | PO2 |
| Pajunoja, Aki | PO2 |
| Palacios, Margarita | SES-B2 |
| Palm, Wolf-Ulrich | SES-C8 |
| Palmer, Sarah M. | SES-C7 |
| Pan, Yiqun | PO3 |
| Panaras, Giorgos | SES-D5 |
| Panayiotou, Christos | SES-F6 |
| Pantelic, Jovan | SES-A3 Presenter, SES-C6 Presenter |
| Papadopoulos, Giannis | SES-D5 |
| Papadopoulos, Panayiotis | SES-F6 |
| Park, Dong Yoon | PO3 Presenter |
| Park, Duckshin | PO2, SES-A3 |
| Park, Haedeun | PO ONLINE |
| Park, Hansaem | PO3 |
| Park, Jinyoung | PO ONLINE |
| Park, Ju-Hyeong | SES-A2 Presenter, WS13 Presenter, WS9 Presenter |
| Park, Seongjun | SES-C6 Presenter |
| Park, Yeonjae | PO2 |
| Park, Yeonmi | SES-A2 |
| Park, YouHyun | PO2 |
| Parry-Nweye, Eloise | PO ONLINE |
| Parshintsev, Evgeny | PO2 Presenter |
| Pasanen, Pertti | PO1, PO2, PO2, SES-C1, SES-C2, SES-C4, SES-D5, SES-F1 |
| Pascal, Mathilde | WS2 |
| Patra, Satya S. | SES-C7, SES-E8 |
| Pavard, Gaëtan | SES-C5, SES-F4 |
| Pavloska, Ilona | PO2 |
| Pavlovska, Ilona | PO2 |
| Pazold, Matthias | SES-A9 |
| Peci, Fernando | PO ONLINE |
| Peckham, Daniel | SES-D3 |
| Pekkanen, Juha | Opening ceremony & plenary Presenter, PO1, PO3, PO3, SES-A2, WS5 Chair, WS5 Presenter, WS9 Chair, SES-F5 |
| Pekkola, Vesa | PO3 |
| Pelé, Charles | WS28 |
| Pentti, Matti | SES-C1 |
| Pereira, Maria do Carmo | SES-D6 |
| Perez, Cedric | PO2 Presenter |
| Persily, Andrew | SES-B4 Presenter, SES-E6 Presenter, WS26 Presenter |
| Persson, Tomas | PO1 |
| Pessi, Anna-Mari | PO2 |
| Petersen, Kajsa Kirstine Ugelvig | SES-A2 |
| Petersen, Steffen | SES-B5 |
| Petersen, Steffen | PO1 |
| Phillips, Gavin | SES-A5, SES-E9 |
| Piippo-Savolainen, Eija | PO1, SES-A2 |
| Pikkuvirta, Jussa | SES-C1 |
| Pikmann, Julia | SES-A5 |
| Pinto, J. | PO ONLINE |
| Pitkäranta, Miia | SES-C9 Presenter, WS9 Presenter |
| Plaisance, Hervé | PO2, SES-C1, SES-C1 Presenter, SES-C2 Presenter, SES-D7 |
| Plasqui, Guy | SES-D9 |
| Plehn, Wolfgang | PO2 |
| Plumail, Manon | PO1 |
| Polidoro, Brian | SES-B4 |
| Polis, Zaneta | PO ONLINE Presenter |
| Polycarpou, Marios | SES-F6 |
| Pope, Zachary C. | SES-C4 Presenter |
| Poppendieck, Dustin G. | SES-B4 Presenter, SES-C3, SES-E9 |
| Poroseva, Svetlana | SES-D1 |
| Pottier, Ivannah | PO1, PO1 |
| Pourkiaei, Mohsen | SES-A9 Presenter |
| Pradana, Radyan Putra | SES-A9 |
| Prasauskas, Tadas | SES-F2 |
| Prezant, Bradley | SES-A7 Presenter |
| Price, Paige | SES-C7, SES-E8 |
| Psomas, Theofanis | SES-D5, SES-D8 Presenter |
| Puglisi, Donatella | SES-D6 Presenter, SES-E5 |
| Puig, Sebastià | PO3 |
| Pulkkinen, Iiris | SES-A8 Presenter |
| Putus, Tuula | PO3 |