Jason Jackson (born October 30, 1990) is a Jamaican mixed martial artist who competes in the Welterweight division. Jackson has competed in Titan FC, Legacy Fighting Alliance (LFA), Professional Fighters League (PFL), and most notably Bellator MMA, where he is a former Bellator Welterweight World Champion. He also appeared on the UFC's reality television series The Ultimate Fighter: American Top Team vs. Blackzilians.

Jackson was born in Spanish Town, Jamaica on October 30, 1990. At the age of 12 he moved to South Florida, graduating from Miramar High School, where he competed on the school’s wrestling team. Growing up he was a fan of professional wrestling and the WWE. He began training for mixed martial arts at the age of 19 with The Blackzilians.

Jackson made his professional debut in 2012, compiling a record of 5–2 in regional promotions, where he competed against future UFC fighter Colby Covington.

In February 2015, it was announced Jackson would be a contestant on The Ultimate Fighter: American Top Team vs. Blackzilians.

Jackson's first fight on TUF was against Marcelo Alfaya, whom he defeated by majority decision.

In his second fight on the show he faced future Titan FC Welterweight Champion Michael Graves. Early in the first round Jackson connected with a groin kick that went unnoticed by the referee and almost finished Graves with punches. However Graves survived and submitted Jackson with a rear naked choke in round one, eliminating him from the tournament.

Jackson made his Titan FC debut against Rodrigo Cavalheiro Correia on September 9, 2016, at Titan FC 41. He won the fight via unanimous decision.

Jackson then competed in a title match against Titan FC Welterweight Champion and future UFC fighter, Dhiego Lima on December 2, 2016, at Titan FC 42. Jackson won the fight via technical knockout early in round one, claiming the Titan FC Welterweight Championship.