| Crew | City | Country | Started in |
|---|---|---|---|
| A Tribe Called Quest | New York City | United States | 1980s |
| AB6IX | Seoul | — | 2010s |
| ABN | Houston | — | 2000s |
| Achozen | Los Angeles | — | 2000s |
| Active Member | — | Greece | 1990s |
| Aer | — | — | 2010s |
| Afasi & Filthy | — | — | 2000s |
| Afromental | Olsztyn | — | 2000s |
| Ahli Fiqir | — | — | 2000s |
| Aigel | — | — | 2010s |
| Alaclair Ensemble | — | — | 2010s |
| Algiers | Atlanta | — | 2010s |
| ALI | Shibuya | — | 2010s |
| Alles ist die Sekte | — | Germany | 1990s |
| Alvin and the Chipmunks | California | — | 1950s |
| Antilopen Gang | Düsseldorf | — | 2000s |
| Antipop Consortium | — | United States | 1990s |
| Apocalipse 16 | São Paulo | — | 1990s |
| Armand Hammer | — | — | 2010s |
| Army of the Pharaohs | Philadelphia | — | 1990s |
| Arrested Development | Atlanta | United States | 1980s |
| Articolo 31 | — | Italy | 1990s |
| Artifacts | — | United States | 1990s |
| Assassin | 18th arrondissement of Paris | France | 1980s |
| Atban Klann | Los Angeles | — | 1990s |
| Ateez | Seoul | — | 2010s |
| Atmosphere | — | United States | 1990s |
| Audio Two | New York City | — | 1980s |
| AxMxP | — | — | 2020s |