A working-class boxing organization, training aspiring competitors and enthusiasts of all ages and identities in The Bronx, NYC. It was founded as an offshoot of Left Hook NYC, a community project started by comrade Ramón Pebenito of the American Party of Labor and National Writers Union.

Left Hook BX was established in 2025 to expand the Left Hook mission to the people of the Bronx, providing a safe all-ages space for exercise, political education, and community.