| Crew | City | Country | Started in |
|---|---|---|---|
| Rae Sremmurd | Tupelo | — | 2010s |
| Rapstar | — | — | 2010s |
| Raptori | Hyvinkää | — | 1980s |
| Red Hot Chili Peppers | Los Angeles | — | 1980s |
| Reel 2 Real | New York City | — | 1990s |
| Refugees Of Rap | — | — | 2000s |
| Rehab | — | United States | 1990s |
| Rhymester | — | — | 1980s |
| Rip Slyme | Yokohama | — | 1990s |
| Rob Base and DJ E-Z Rock | New York City | — | 1980s |
| Roc Boyz | Bærum Municipality | — | 2010s |
| Rockers by Choice | — | Denmark | 1980s |
| RotFront | — | — | 2000s |
| Run the Jewels | Atlanta | — | 2010s |
| Run‐D.M.C. | — | United States | 1980s |