St. Louis crime family
| Founded | c. 1890s |
|---|---|
| Founding location | St. Louis, Missouri, United States |
| Years active | c. 1890s–2014 |
| Territory | Primarily Greater St. Louis, with additional territory throughout Missouri, as well as Las Vegas |
| Ethnicity | Italians as "made men" and other ethnicities as associates |
| Activities | Racketeering, gambling, bookmaking, loansharking, extortion, drug trafficking, bootlegging, robbery, skimming, bribery, assault, and murder |
| Allies | |
| Rivals | Various gangs in the St. Louis area |
The St. Louis crime family, also known as the Giordano crime family or the St. Louis Mafia, was an Italian American Mafia crime family based in St. Louis, Missouri.