| Raggisolaris Faenza | — | Faenza | — | — |
| Real Sebastiani Rieti | Serie A2 | Rieti | 2020 | — |
| Reyer Venezia Mestre | Lega Basket Serie A | Venecia | 1925 | Palasport Taliercio |
| Riva del Garda Basket | — | Riva del Garda | — | — |
| Riviera Vado Basket | — | — | — | — |
| Robur Basket Osimo | — | Osimo | — | — |
| Rovereto Basket | — | Rovereto | — | — |
 Sacramento Kings | National Basketball Association | Sacramento | 1945 | ARCO Arena I, Power Balance Pavilion, Golden 1 Center, Municipal Auditorium, Kemper Arena, Omaha Civic Auditorium, Cincinnati Gardens, Edgerton Park Arena, Blue Cross Arena |
| Salerno Basket 92 | — | — | — | — |
 San Antonio Spurs | National Basketball Association | — | 1967 | Alamodome, Kay Bailey Hutchison Convention Center, HemisFair Arena, Fort Worth Convention Center, Frost Bank Center, Moody Coliseum, CityBank Coliseum |
| San Martino di Lupari | — | — | — | — |
| Santa Marinella Basket | — | — | — | — |
| Scafati Basket | Lega Basket Serie A | Scafati | 1969 | PalaMangano |
 Scaligera Basket Verona | Lega Basket Serie A | Verona | 1951 | PalaOlimpia |
| Seattle SuperSonics | — | Washington | 1967 | Kingdome, Climate Pledge Arena, Tacoma Dome |
| Sebastiani Basket Club Rieti | — | — | — | — |
| Sheboygan Redskins | National Basketball Association | Sheboygan | 1938 | Playdium, Sheboygan Municipal Auditorium and Armory |
| Silver Basket Porto Torres | — | Porto Torres | — | — |
| Sisv Viterbo | — | Viterbo | — | — |
 Società Ginnastica Roma | — | — | — | — |
| Società Ginnastica Triestina | — | Trieste | 1930 | — |
| Sport Club Alcamo | — | Alcamo | — | — |
| SSD Santa Lucia Sport | — | Roma | 1978 | — |
| St. Louis Hawks | National Basketball Association | — | — | — |
| Sutor Basket Montegranaro | — | Montegranaro | 1947 | Banca Marche Palace |
| Taranto Cras Basket | Serie A1 | Tarento | 1961 | — |
| Teramo Basket | Serie A2 | Teramo | 1973 | PalaScapriano |
| Thunder Basket Matelica - Fabriano | — | — | — | — |
| Toronto Maple Leafs | — | — | 22 de noviembre de 1917 | Scotiabank Arena, Mutual Street Arena, Maple Leaf Gardens |
 Toronto Raptors | National Basketball Association | Toronto | 1995 | Rogers Centre, Scotiabank Arena |
| U.S. Sangiorgese | — | — | — | — |
| Unicar Cesena | — | Cesena | — | — |
| Unione Sportiva Basket Recanati | — | Recanati | 1982 | — |
| USE Basket Femminile Empoli | — | Empoli | 1912 | — |
 Utah Jazz | National Basketball Association | Salt Lake City | 1974 | Auditorio Municipal de Nueva Orleans, Louisiana Superdome, Loyola Field House, Delta Center, Salt Palace, Thomas & Mack Center |
| Vancouver Grizzlies | National Basketball Association | — | 1995 | Rogers Arena |
| Vela Viareggio | — | — | — | — |
| Verga Palermo | — | — | — | — |
| Veroli Basket | — | Frosinone | 1968 | — |
| Victoria Libertas Pesaro | Lega Basket Serie A | Pésaro | 1946 | Vitrifrigo Arena |
| Virtus Cagliari | — | Cagliari | — | — |
| Virtus Eirene Ragusa | — | Ragusa | — | — |
| Virtus Padova | — | Padua | — | — |
 Virtus Pallacanestro Bologna | Lega Basket Serie A | Bolonia | 1927 | Virtus Arena |
| Virtus Pallacanestro Imola | — | — | — | — |
| Virtus Viterbo | — | — | 1995 | — |
| Washington Capitols | Basketball Association of America | Washington D. C. | 1946 | Washington Coliseum |
 Washington Wizards | National Basketball Association | Washington D. C. | 1961 | 1st Mariner Arena, Capital One Arena, Capital Centre, International Amphitheatre, Chicago Coliseum |