| Anders Palmér | SVE | 2014/15 | 2 | 1 | 1 | 0 | 4 | 2 | Malmö U19 | | |
| Alessandro Pane | ITA | 2003/04 | 2 | 1 | 1 | 0 | 6 | 3 | Empoli U19 | | |
| Giorgio Papais | ITA | 2003/04 | 3 | 2 | 0 | 1 | 5 | 2 | Piacenza U19 | | |
| Aniello Parisi | ITA | 2015/16 | 1 | 1 | 0 | 0 | 1 | 0 | Crotone U19 | | |
| Vincenzo Patania | ITA | 1996/97 | 1 | 1 | 0 | 0 | 1 | 0 | Cosenza U19 | | |
| Simone Pavan | ITA | 2015/16 | 6 | 5 | 0 | 1 | 10 | 5 | Sampdoria U19, Modena U19 | | |
| Massimo Pavanel | ITA | 2013/14 | 1 | 0 | 1 | 0 | 0 | 0 | Padova, Hellas Verona U19 | | |
| Elia Pavesi | ITA | 2024/25 | 3 | 3 | 0 | 0 | 5 | 2 | Cremonese U19 | | |
| Fulvio Pea | ITA | 2007/08 | 5 | 2 | 1 | 2 | 7 | 6 | Sampdoria U19 | | |
| Francesco Pedone | ITA | 2015/16 | 2 | 1 | 1 | 0 | 2 | 1 | Sampdoria U19 | | |
| Massimo Pedriali | ITA | 2024/25 | 1 | 1 | 0 | 0 | 4 | 2 | Spal U19 | | |
| Giulio Pelati | ITA | 2013/14 | 2 | 2 | 0 | 0 | 7 | 2 | Siena U19 | | |
| Perez | BRA | 1997/98 | 1 | 1 | 0 | 0 | 2 | 0 | Nacional U19 | | |
| Rosario Pergolizzi | ITA | 2005/06 | 7 | 3 | 1 | 3 | 9 | 8 | Palermo U19 | | |
| Fabio Perinelli | ITA | 2007/08 | 6 | 6 | 0 | 0 | 17 | 1 | Bologna U19 | | |
| Claudio Piccinetti | ITA | 2007/08 | 1 | 1 | 0 | 0 | 5 | 1 | Pisa U19 | | |
| Stéphane Pichot | FRA | 2024/25 | 1 | 0 | 1 | 0 | 0 | 0 | Lille U19 | | |
| Antonio Pigino | ITA | 2005/06 | 6 | 4 | 0 | 2 | 9 | 6 | Pro Vercelli U19, Torino U19 | | |
| Renato Pilipović | CRO | 2017/18 | 2 | 1 | 1 | 0 | 3 | 2 | Rijeka U19 | | |
| Stefano Pioli | ITA | 2002/03 | 2 | 2 | 0 | 0 | 4 | 1 | Bologna U19 |  | |
| Adriano Piraccini | ITA | 2002/03 | 2 | 2 | 0 | 0 | 4 | 0 | Cesena U19 | | |
| Sergio Pirozzi | ITA | 2024/25 | 3 | 0 | 2 | 1 | 2 | 4 | Lazio U19 | | |
| Fabio Pisacane | ITA | 2023/24 | 5 | 2 | 0 | 3 | 5 | 6 | Cagliari U19 | | |
| Francesco Pisano | ITA | 2025/26 | 2 | 0 | 2 | 0 | 2 | 2 | Cagliari U19 | | |
| Fausto Pizzi | ITA | 2011/12 | 7 | 6 | 0 | 1 | 22 | 7 | Parma U19 | | |
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