| Robur Basket Osimo | — | Osimo | — | — |
| Rovereto Basket | — | Rovereto | — | — |
| Ruvo di Puglia Basket | — | — | — | — |
| 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 |
| Santa Marinella Basket | — | — | — | — |
| Scafati Basket | Lega Basket Serie A | Scafati | 1969 | PalaMangano |
| 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 Cestistica Mazzini | — | Bolonia | — | — |
| Società Ginnastica Roma | — | — | — | — |
| Società Ginnastica Triestina | — | Trieste | 1930 | — |
| Sport Club Alcamo | — | Alcamo | — | — |
| Sporting Club Gira | — | Bolonia, Ozzano dell'Emilia | 1945 | — |
| St. Louis Hawks | National Basketball Association | — | — | — |
| Starlight Valmadrera | — | — | — | — |
| Stella Azzurra Roma | — | Roma | 1938 | — |
| Sutor Basket Montegranaro | — | Montegranaro | 1947 | Banca Marche Palace |
| 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.C.C. | — | Casalpusterlengo | 1977 | PalaBanca |
| U.S. Sangiorgese | — | — | — | — |
| Umana Venezia | — | — | 1925 | — |
| Unione Cestistica Piacentina | — | Piacenza | 2003 | — |
| Unione Sportiva Basket Recanati | — | Recanati | 1982 | — |
| Unione Sportiva Corona | — | Cremona | — | — |
| Universo Treviso Basket | Lega Basket Serie A | Treviso | 2012 | Palaverde |
| 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 | — | — | — | — |
| Velo Trapani | — | Trapani | — | — |
| Verga Palermo | — | — | — | — |
| Victoria Libertas Pesaro | Lega Basket Serie A | Pésaro | 1946 | Vitrifrigo Arena |
| Virtus Basket Ariano | — | Ariano Irpino | — | — |
| Virtus Basket Spezia | — | La Spezia | — | — |
| Virtus Cagliari | — | Cagliari | — | — |
| Virtus Pallacanestro Bologna | Lega Basket Serie A | Bolonia | 1927 | Virtus Arena |
| Virtus Pallacanestro Imola | — | — | — | — |
| Virtus Siena | — | — | — | — |
| Vis Basket Cervia | — | Cervia | — | — |
| Vis Fortitudo Pomezia | — | — | — | — |
| Washington Capitols | Basketball Association of America | Washington D. C. | 1946 | Washington Coliseum |