DaJuan Michael Summers (born January 24, 1988) is an American professional basketball player for Piratas de La Guaira of the Superliga Profesional de Baloncesto (SPB). He played college basketball for the Georgetown Hoyas. In the 2009 NBA draft, he was drafted 35th overall by the Detroit Pistons.

Summers attended the McDonogh School, a private school in Owings Mills, Maryland. As a junior in 2004–05, he averaged 20.4 points and 11.6 rebounds per game, helping McDonogh to a 23–6 record and to the MIAA A Conference final and a No. 5 ranking in the Baltimore Sun's final poll.

As a senior in 2005–06, he averaged 29.2 points, 11.0 rebounds, 4.0 assists, 2.0 steals and 3.0 blocks per game, leading McDonogh to a 19–6 overall record. He finished his high school career with 1,502 points and a two-time Baltimore Sun Baltimore County Player of the Year (junior and senior).

Considered a five-star recruit by Rivals.com, Summers was listed as the No. 9 small forward and the No. 23 player in the nation in 2006.

In his freshman season at Georgetown, Summers was named to the 2007 Big East All-Rookie team. In 37 games, he averaged 9.2 points, 3.7 rebounds and 1.1 assists per game.

In his sophomore season, he was a second team All-District 4 selection by the National Association of Basketball Coaches. In 33 games, he averaged 11.1 points, 5.4 rebounds and 1.5 assists per game.

In his junior season, he played 31 games, averaging 13.6 points, 4.1 rebounds, 1.3 assists and 1.1 steals per game.

On March 30, 2009, he declared for the NBA draft, foregoing his final year of college eligibility.