Justin Aaron Jackson (born March 28, 1995) is an American professional basketball player for the Minnesota Timberwolves of the National Basketball Association (NBA).

Jackson took part in the 2014 McDonald's All-American Boys Game and was named its co-MVP, along with Jahlil Okafor. He played college basketball for the North Carolina Tar Heels from 2015 to 2017. In 2017, Jackson was named a consensus first-team All-American and won an NCAA championship as a member of the Tar Heels.

A small forward, Jackson was chosen by the Portland Trail Blazers as the fifteenth overall pick in the 2017 NBA draft before being traded to the Sacramento Kings on draft night. As of August 2023, Jackson had played for the Kings, the Dallas Mavericks, the Oklahoma City Thunder, the Milwaukee Bucks, the Boston Celtics, and the Phoenix Suns over the course of his six-year NBA career. He won an NBA championship with the Bucks in 2021. Jackson has also played for the Stockton Kings and the Texas Legends of the NBA G League.