| Pallacanestro Interclub | — | — | — | — |
| Pallacanestro Lago Maggiore | — | — | — | — |
| Pallacanestro Lucca | — | Lucca | — | — |
| Pallacanestro Mantovana | — | Mantova | 2004 | — |
| Pallacanestro Marsala | — | — | — | — |
| Pallacanestro Messina | — | Messina | 1976 | — |
| Pallacanestro Milano 1958 | — | Milano | 1957 | — |
| Pallacanestro Partenope Sant'Antimo | — | Sant'Antimo | 1957 | — |
| Pallacanestro Patti | — | — | — | — |
| Pallacanestro Piacentina | — | Piacenza | 2011 | — |
| Pallacanestro Pozzuoli | — | — | — | — |
| Pallacanestro Ribera | — | — | 1969 | — |
| Pallacanestro Roseto | — | Roseto degli Abruzzi | 1946 | — |
| Pallacanestro Sant'Antimo | — | Sant'Antimo | 1989 | — |
| Pallacanestro Senigallia | — | Senigallia | — | — |
| Pallacanestro Treviso | Serie A | Treviso | 1954 | PalaVerde |
| Pallacanestro Trieste 2004 | Serie A | Trieste | 1975 | PalaTrieste |
| Pallacanestro Varese | Serie A | Varese | 1945 | Palasport Lino Oldrini |
| Pallacanestro Vicenza | — | Vicenza | — | — |
| Pallacanestro Viola | — | Reggio Calabria | 1966 | PalaCalafiore |
| Pallalcesto Amatori Udine | inattivo | Udine | 1944 | PalaCarnera |
| Palmares Catania | — | Catania | — | — |
| Pantere Basket Femminile | — | — | — | — |
| Partenio Avellino | — | — | — | — |
| PB63 Lady | — | — | 1963 | — |
| Pedro Anselmo Bazalar | Copa Perú | — | 9 luglio 2003 | Estadio Segundo Aranda Torres |
| Perugia Basket | — | — | — | — |
| Philadelphia 76ers | National Basketball Association | Filadelfia | 1946 | Wells Fargo Center, Toyota Coliseum, Philadelphia Arena, Spectrum, Philadelphia Convention Hall and Civic Center, Oncenter War Memorial Arena |
| Philadelphia Athletics | — | — | 1901 | — |
| Philadelphia Eagles | National Football League | Filadelfia | 1933 | Lincoln Financial Field |
| Philadelphia Flyers | — | — | 1967 | Spectrum, Wells Fargo Center |
| Philadelphia Phillies | Major League Baseball | Filadelfia | 1883 | Citizens Bank Park |
| Philadelphia Union | Major League Soccer | Chester | 2008 | PPL Park |
| Phoenix Suns | National Basketball Association | Phoenix | 1968 | Arizona Veterans Memorial Coliseum, Phoenix Suns Arena |
| Pirata F.C | Campeonato Descentralizado | — | 15 novembre 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 |
| PMS Torino | Serie A | Torino | 2009 | — |
| Polisportiva A. Galli Basket | — | — | — | — |
| Polisportiva Ahena Cesena | — | Cesena | — | — |
| Polisportiva Amicacci Giulianova | — | — | 1984 | — |
| Polisportiva Cervia Milano Marittima | — | — | — | — |
| Polisportiva Dinamo | Serie A | Sassari | 1960 | Palasport Serradimigni |
| Polisportiva Dinamo | — | — | — | — |
| Polisportiva Dinamo Lab | — | — | — | — |
| Portland Timbers | Major League Soccer | Portland | 2009 | Providence Park |