The Legacy Fighting Alliance (LFA) is an American mixed martial arts (MMA) promotion company based in Houston, Texas.

Notable fighters that have fought for LFC include Carlos Diego Ferreira, Leonard Garcia, Jonathan Brookins, Daniel Pineda, Anthony Njokuani, Paul Buentello, James McSweeney, Jay Hieron, Evangelista Santos, Ray Borg, Tim Means, Henry Briones, Thomas Almeida, Derrick Lewis, Sage Northcutt, Holly Holm and Valentina Shevchenko.

[6] Its live events and competitions have been broadcast on AXS TV in the United States and Esporte Interativo in Brazil.

[15] LFA had its first event on January 13, 2017, with Legacy FC and RFA bantamweight titles unification as the main fight.

[16] After about two and a half years of broadcasting Legacy Fighting Alliance, AXS TV was by owner Mark Cuban sold to Anthem Sports.