| Pallacanestro Pozzuoli | — | — | — | — |
| Pallacanestro Ribera | — | — | 1969 | — |
| Pallacanestro Sanga Milano | — | Milan | — | — |
| Pallacanestro Senigallia | — | Senigallia | — | — |
| Pallacanestro Treviso | Lega Basket Serie A | Treviso | 1954 | Palaverde |
| Pallacanestro Trieste | Lega Basket Serie A | Trieste | 1975 | Palatrieste |
| Pallacanestro Varese | Lega Basket Serie A | Varese | 1945 | PalaWhirlpool |
| Pallacanestro Vicenza | — | Vicenza | — | — |
| Pallalcesto Amatori Udine | inactive | Udine | 1944 | Palasport Primo Carnera |
| Palmares Catania | — | Catania | — | — |
| Pantere Basket Femminile | — | — | — | — |
| Partenio Avellino | — | — | — | — |
| Partenope Napoli | — | Sant'Antimo | 1957 | — |
| PB63 Lady | — | — | 1963 | — |
| PCR Messina | — | Messina | — | — |
| Pedro Anselmo Bazalar | Copa Perú | — | 9 Juli 2003 | Estadio Segundo Aranda Torres |
| Perugia Basket | — | — | — | — |
| Pescara Basket | Serie C (Italian men's basketball league) | Pescara | — | PalaElettra |
| PF Schio | — | Schio | 1973 | — |
| PF Umbertide | — | Umbertide | 2008 | — |
| Philadelphia 76ers | National Basketball Association | Philadelphia | 1946 | Wells Fargo Center, Toyota Coliseum, Arena Philadelphia, Spectrum, Philadelphia Convention Hall and Civic Center, Oncenter War Memorial Arena |
| Philadelphia Athletics | — | — | 1901 | — |
| Philadelphia Eagles | Liga Nasional Sepak bola Amerika | Philadelphia | 1933 | Lincoln Financial Field |
| Philadelphia Flyers | — | — | 1967 | Spectrum, Wells Fargo Center |
| Philadelphia Phillies | Major League Baseball | Philadelphia | 1883 | Citizens Bank Park |
| Philadelphia Union | Liga Utama Sepak Bola Amerika Serikat | Chester | 2008 | PPL Park |
| Phoenix Suns | National Basketball Association | Phoenix | 1968 | Arizona Veterans Memorial Coliseum, Footprint Center |
| Pirata F.C | Peruvian Primera División | — | 15 November 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 | Liga Nasional Sepak bola Amerika | Pittsburgh | 1933 | Heinz Field, Three Rivers Stadium |
| PMS Basketball | — | Moncalieri | — | — |
| PMS Torino | Lega Basket Serie A | Turin | 2009 | — |
| Poderosa Pallacanestro Montegranaro | — | Montegranaro | 1993 | — |
| Polisportiva Cervia Milano Marittima | — | — | — | — |
| Polisportiva Dinamo | Lega Basket Serie A | Sassari | 1960 | Palasport Roberta Serradimigni |
| Polisportiva Dinamo | — | — | — | — |
| Polisportiva Dinamo Lab | — | — | — | — |
| Portland Trail Blazers | National Basketball Association | Portland | 1970 | Veterans Memorial Coliseum, Moda Center |
| Porvenir Miraflores | Copa Perú | — | 29 Mei 1922 | Stadion Nasional Peru |
| Potenza 84 | — | Potenza | — | — |
| Progresso Castel Maggiore | — | Castel Maggiore | — | — |
| Quebec Bulldogs | — | — | 1888 | Quebec Skating Rink |
| Quebec Nordiques | — | — | 1972 | Colisée de Québec |
| Racing de Huamachuco | Copa Perú | — | 1946 | — |
| Raggisolaris Faenza | — | Faenza | — | — |
| RB Montecatini Terme | — | Montecatini Terme | 1949 | PalaTerme |