Florencia 13
| Founded | 1960s |
|---|---|
| Founding location | Florence, California, United States |
| Years active | 1930s–present |
| Territory | South Los Angeles Hyde park Oregon Colorado Florida Washington Utah Arizona Mexico Canada Brazil Germany |
| Ethnicity | Mexican American |
| Membership (est.) | 2,000-3,000+ |
| Activities | Drug trafficking, assault, robbery, extortion, arms trafficking, theft, murder, racketeering, illegal gambling, and fraud |
| Allies | Mexican Mafia Sureños Pueblo Bishop Bloods Mad Swan Bloods Harvard Park Brims East Coast Crips (Former rivals) |
| Rivals | 18th Street gang 38th Street gang Grape Street Watts Crips Watts Varrio Grape Street 13 Hat Gang Watts Crips Huntington Park Locos Playboys East Side 13 South Los 13 |
The Florencia 13, also known as South Side Florencia 13, Florence Gang, F13 is an American criminal street gang based in Los Angeles, California, composed mainly of Mexican Americans. The gang is named after the Florence area of Los Angeles County, controlled by the Mexican Mafia. They are involved in drug-smuggling, murder, assault, and robbery.