2018 was the second year in the history of Legacy Fighting Alliance, a mixed martial arts promotion based in the United States.

Le was the thirty-second event of Legacy Fighting Alliance and took place on January 19, 2018.

Results Legacy Fighting Alliance 32: Allen vs. Hernandez was the thirty-third event of Legacy Fighting Alliance and took place on January 26, 2018.

Results Legacy Fighting Alliance 34: Watley vs. Jenkins was the thirty-fifth event of Legacy Fighting Alliance and took place on March 2, 2018.

Results Legacy Fighting Alliance 35: Newell vs. Luque was the thirty-sixth event of Legacy Fighting Alliance and took place on March 9, 2018.

Results Legacy Fighting Alliance 36: Simón vs. Zani was the thirty-seventh event of Legacy Fighting Alliance and took place on March 23, 2018.

Le was the forty-first event of Legacy Fighting Alliance and took place on May 25, 2018.

Results Legacy Fighting Alliance 41: Moisés vs. Peterson was the forty-second event of Legacy Fighting Alliance and took place on June 1, 2018.

Results Legacy Fighting Alliance 50: Allen vs. Hiley was the fifty-first event of Legacy Fighting Alliance and took place on September 21, 2018.

Results Legacy Fighting Alliance 51: Gibson vs. Erak was the fifty-second event of Legacy Fighting Alliance and took place on September 28, 2018.

Results Legacy Fighting Alliance 55: Johns vs. Yañez was the fifty-sixth event of Legacy Fighting Alliance and took place on November 30, 2018.