Douglas Richard McDermott (born January 3, 1992) is an American professional basketball player for the Indiana Pacers of the National Basketball Association (NBA).

While playing college basketball for Creighton University, McDermott led the nation in scoring in 2013–14 and was a three-time consensus first-team All-American. He was the consensus national player of the year as a senior in 2014, and finished his college career with the fifth-most points in NCAA Division I men's basketball history.

After graduating from Creighton, McDermott was selected by the Denver Nuggets with the 11th overall pick in the 2014 NBA draft. He was traded to the Chicago Bulls and went on to play two-and-one-half seasons for the Bulls before being traded to the Oklahoma City Thunder in February 2017. McDermott has also played for the New York Knicks, the Dallas Mavericks, the Indiana Pacers, and the Spurs. A small forward, McDermott is known for his outside shooting.

McDermott is the son of Creighton coach Greg McDermott and was coached by his father during his college career.