Derrick Walton Jr. (born April 3, 1995) is an American professional basketball player for the Detroit Pistons of the National Basketball Association (NBA). After going undrafted in the 2017 NBA draft, he spent his first professional season as a two-way contract player with the Miami Heat of the National Basketball Association and their G League affiliate, the Sioux Falls Skyforce.

He played college basketball for the Michigan Wolverines. As a high school senior at Chandler Park Academy in 2013, he was a Parade All-American, the Michigan Boys Basketball Gatorade Player of the Year and the runner-up for the Mr. Basketball of Michigan award. He was a 2013–14 Big Ten Conference men's basketball season All-Freshman selection in the Big Ten for the 2013–14 team, which won the Big Ten Conference regular-season championship outright. He was a 2015–16 Big Ten Conference men's basketball season All-Big Ten third-team selection by the coaches and an honorable mention selection by the media as a junior. He was a 2016–17 Big Ten Conference men's basketball season All-Big Ten second-team selection by the coaches and the media as a senior. Walton is the only Wolverine with 1,000 points, 500 rebounds and 400 assists and holds the school single-game assist record (16). He was the Most Outstanding Player of the 2017 Big Ten Conference Men's Basketball Tournament for the tournament champion 2016–17 Wolverines.