| Pallacanestro Ares Palermo | — | Palermo | — | — |
| Pallacanestro Aurora Desio | — | Desio | 1994 | — |
| Pallacanestro Brindisi | — | Brindisi | 1945 | PalaPentassuglia |
| Pallacanestro Cantù | Liga Italiana de Basquetebol | Cermenate | 1936 | Palasport Pianella |
| Pallacanestro Chieti | — | Chieti | 1989 | — |
| Pallacanestro Femminile Costone | — | — | — | — |
| Pallacanestro Ferrara 2011 | — | Ferrara | 2011 | — |
| Pallacanestro Firenze | — | Florença | 1948 | — |
| Pallacanestro Forlì 2015 | — | Forlì | 1946 | Unieuro Arena |
| Pallacanestro Forlì 2015 | Serie A2 | Forlì | 2015 | Unieuro Arena |
| Pallacanestro Interclub | — | — | — | — |
| Pallacanestro Lago Maggiore | — | — | — | — |
| Pallacanestro Lucca | — | Lucca | — | — |
| Pallacanestro Mantovana | — | Mântua | 2004 | — |
| Pallacanestro Olimpia La Spezia | — | La Spezia | 1969 | — |
| Pallacanestro Orzinuovi | — | Orzinuovi | 1964 | — |
| Pallacanestro Patti | — | — | — | — |
| Pallacanestro Pavia | — | Pavia | 1943 | — |
| Pallacanestro Pozzuoli | — | — | — | — |
| Pallacanestro Reggiana | Liga Italiana de Basquetebol | Reggio Emilia | 1974 | PalaBigi |
| Pallacanestro Ribera | — | — | 1969 | — |
| Pallacanestro Senigallia | — | Senigallia | — | — |
| Pallacanestro Treviso | Liga Italiana de Basquetebol | Treviso | 1954 | Palaverde |
| Pallacanestro Trieste 2004 | Liga Italiana de Basquetebol | Trieste | 1975 | Palatrieste |
| Pallacanestro Varese | Liga Italiana de Basquetebol | Varese | 1945 | PalaWhirlpool |
| Pallacanestro Vicenza | — | Vicenza | — | — |
| Pallacanestro Virtus Cassino | — | Frosinone | 2011 | — |
| Pallalcesto Amatori Udine | inativo | Udine | 1944 | Palasport Primo Carnera |
| Palmares Catania | — | Catânia | — | — |
| Pantere Basket Femminile | — | — | — | — |
| Partenio Avellino | — | — | — | — |
| PB63 Lady | — | — | 1963 | — |
| PCR Messina | — | Messina | — | — |
| Pedro Anselmo Bazalar | Copa Peru | — | 9 de julho de 2003 | Estadio Segundo Aranda Torres |
| Pescara Basket | Serie C (Italian men's basketball league) | Pescara | — | PalaElettra |
| PF Schio | — | Schio | 1973 | — |
| PF Umbertide | — | Umbertide | 2008 | — |
| Philadelphia 76ers | National Basketball Association | Filadélfia | 1946 | Toyota Coliseum, Philadelphia Arena, Spectrum (arena), Philadelphia Convention Hall and Civic Center, Oncenter War Memorial Arena |
| Philadelphia Athletics | — | — | 1901 | — |
| Philadelphia Eagles | National Football League | Filadélfia | 1933 | Lincoln Financial Field |
| Philadelphia Flyers | — | — | 1967 | Spectrum (arena) |
| Philadelphia Phillies | Major League Baseball | Filadélfia | 1883 | Citizens Bank Park |
| Philadelphia Union | Major League Soccer | Chester | 2008 | PPL Park |
| Phoenix Suns | National Basketball Association | Phoenix | 1968 | Arizona Veterans Memorial Coliseum, Footprint Center |
| Pirata Fútbol Club | Campeonato Peruano de Futebol | — | 15 de novembro de 2015 | Estadio Francisco Mendoza Pizarro |
| Pittsburgh Penguins | — | — | 1967 | Civic Arena, PPG Paints Arena |
| Pittsburgh Pirates | Major League Baseball | Pittsburgh | 1887 | Recreation Park, Exposition Park, Three Rivers Stadium, Forbes Field, PNC Park |
| Pittsburgh Pirates | — | — | 1925 | Duquesne Garden |
| Pittsburgh Steelers | National Football League | Pittsburgh | 1933 | Acrisure Stadium, Three Rivers Stadium |
| Poderosa Basket | — | Montegranaro | 1993 | — |
| Polisportiva Cervia Milano Marittima | — | — | — | — |
| Polisportiva Dinamo | — | — | — | — |
| Polisportiva Dinamo Lab | — | — | — | — |
| Polisportiva Folgore Nocera | — | — | — | — |
| Portland Timbers | Major League Soccer | Portland | 2009 | Providence Park |
| Porvenir Miraflores | Copa Peru | — | 29 de maio de 1922 | Estádio Nacional do Peru |
| Potenza 84 | — | Potenza | — | — |
| Progresso Castel Maggiore | — | Castel Maggiore | — | — |