Justin Harper (born August 30, 1989) is an American professional basketball player who last played for Fighting Eagles Nagoya of the Japanese B.

Harper played professionally in the NBA for various teams, including the Orlando Magic, Detroit Pistons, and Philadelphia 76ers.

As a senior with Richmond, Harper averaged 17.9 points and 6.9 rebounds while shooting 53 percent from the field, and he was named to the first-team All-Atlantic 10, along with teammate Kevin Anderson.

[1] Harper was recognized as an All-Fourth District first-team selection by the National Association of Basketball Coaches.

[3] During the 2011 NBA lockout, Harper played in France for SIG Strasbourg of the Ligue Nationale de Basketball.

[12] The following day, he made his debut for the D-Fenders in a 114–105 win over the Bakersfield Jam, recording seven points and one rebound in 13 minutes.

[15] That night, he made his debut for the Pistons in a 111–91 win over the Philadelphia 76ers, recording one point and one steal in five minutes off the bench.