| Racing de Huamachuco | Copa Perú | — | 1946 | — |
| Raggisolaris Faenza | — | Faenza | — | — |
| RB Montecatini Terme | — | Montecatini Terme | 1949 | PalaTerme |
| Real Salt Lake | Major League Soccer | Salt Lake City | 2005 | America First Field |
| Real Sebastiani Rieti | Serie A2 Basket | Rieti | 2020 | — |
| Red Bull New York | Major League Soccer | Harrison | 1995 | Giants Stadium, Sports Illustrated Stadium |
| Regatas Lima | Copa Perú | — | — | — |
| Reyer Venezia Mestre | Serie A | Venice | 1925 | Palasport Taliercio |
| Reyer Venezia Mestre Femminile | — | Venice | 1925 | — |
| Riviera Vado Basket | — | — | — | — |
| Robur Basket Osimo | — | Osimo | — | — |
| Robur et Fides Varese | — | Varese | — | — |
| Roseto Sharks | — | Roseto degli Abruzzi | 1946 | — |