Quinton Ramone Jackson (born June 20, 1978), also known as Rampage Jackson, is an American mixed martial artist and actor. He is a former UFC Light-Heavyweight title holder. Jackson rose to prominence in Japan's Pride Fighting Championships where he was noted for his powerful body slams including a famous knockout victory over Ricardo Arona. In the United States, he is known for his tenure in the Ultimate Fighting Championship (UFC). Jackson is the first person to unify any of the UFC and Pride FC championship belts, defeating Pride Fighting Championships Light-Heavyweight title holder Dan Henderson in 2008.

Jackson appeared for a second time as a coach on the reality series The Ultimate Fighter opposite Rashad Evans. They were scheduled to fight at UFC 107, but this bout was cancelled when Jackson took a movie role to play B. A. Baracus in The A-Team feature film. On May 29, 2010 Jackson lost to Evans via a unanimous decision at UFC 114 in Las Vegas.