| Crew | City | Country | Started in |
|---|---|---|---|
| K-Otic | Bangkok | — | 2000s |
| K.I.Z | Berlin | — | 2000s |
| KAJ | Vörå | — | 2000s |
| Kalush | — | — | 2010s |
| Karmin | Boston | — | 2010s |
| Karpe | Oslo | Norway | 2000s |
| Kasta | Rostov-on-Don | — | 1990s |
| Kick the Can Crew | — | — | 1990s |
| Kid 'n Play | New York City | — | 1980s |
| Kids See Ghosts | — | — | 2010s |
| Kinetics & One Love | New York City | — | 2000s |
| KMD | — | United States | 1980s |
| Kneecap | Belfast | — | 2010s |
| Kool G Rap & DJ Polo | — | United States | 1980s |
| Kottonmouth Kings | Orange County | — | 1990s |
| Krec | Saint Petersburg | — | 2000s |
| Kris Kross | Atlanta | — | 1990s |
| Kris Kross Amsterdam | Amsterdam | — | 2010s |