Justin Aaron Jackson (born March 28, 1995) is an American professional basketball player who last played for the Texas Legends of the NBA G League.

In 2017, Jackson was named a consensus first-team All-American and won an NCAA championship as a member of the Tar Heels.

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.

In his sophomore season, Jackson helped his team win the 2016 ACC tournament and reach the 2016 national championship.

Jackson scored sixteen points and picked up four rebounds in the Tar Heels' sixth championship title in the 2017 NCAA Division I men's basketball tournament.

[14] On February 19, 2020, Bleacher Report named Jackson the worst defensive small forward in the NBA.

On August 1, the Bucks declined to extend a $1.8 million qualifying offer to Jackson, making him an unrestricted free agent.

[20] On October 23, he signed with the Texas Legends as an affiliate player,[21] playing 10 games and averaging 22.7 points, 7.7 rebounds, and 2.9 assists.

On January 5, 2022, Jackson signed a 10-day COVID-19 hardship exemption contract with the Phoenix Suns after waiving Emanuel Terry from the team.

[25] On October 15, 2022, Jackson was signed to the Boston Celtics roster to open the 2022–23 season following a standout performance in the Summer League.

[28] On February 9, 2023, Jackson and two future second-round picks were traded to the Oklahoma City Thunder in exchange for Mike Muscala.