Michael Gregg Marshall (born February 27, 1963) is a former American college basketball coach whose most recent position was head coach at Wichita State University. Marshall has coached his teams to appearances in the NCAA Men's Division I Basketball Tournament in 14 of 22 years as a head coach. He is the winningest head coach in Wichita State and Winthrop history with 331 and 194 wins, respectively. He resigned on November 17, 2020, after an internal investigation following allegations by multiple former players detailing physical and verbal abuse at the hands of Marshall. Marshall was paid a settlement of $7,750,000 by Wichita State for his resignation.