Ryan Christopher Hall (born February 22, 1985) is an American black belt and instructor in Brazilian jiu-jitsu, and a professional mixed martial artist currently competing in the featherweight division of the Ultimate Fighting Championship. He is known for a number of competitive achievements, ranging from Mundial and ADCC victories to dozens of Grapplers Quest championships. He is the winner of The Ultimate Fighter Season 22. He holds notable victories over former UFC Lightweight Title challenger Gray Maynard and Artem Lobov.