Los Mazatlecos
| Founded by | Alfredo Beltran Leyva |
|---|---|
| Founding location | Mazatlán, Sinaloa, Mexico |
| Years active | 2000–present |
| Territory | Sinaloa, Sonora, Durango, Nayarit |
| Ethnicity | Mexican |
| Leader(s) | Fausto Isidro Meza Flores |
| Activities | Drug trafficking, murder, kidnapping, extortion |
| Allies | Beltrán Leyva Cartel Los Zetas, Juarez Cartel |
| Rivals | Sinaloa Cartel Los Ántrax, Gulf Cartel |
Los Mazatlecos (The Mazatlan people) is an enforcer gang of the Beltrán Leyva Cartel. It is reportedly led by Fausto Isidro Meza Flores.