Quincy Douby (born May 16, 1984) is a Haitian-American professional basketball player. At 6'3", 175 lb, Douby playedshooting guard for the Rutgers Scarlet Knights. The Sacramento Kings made him the 19th selection of the 2006 NBA Draft.
As a freshman at Rutgers, Douby scored 35 points to lead the team to an overtime victory in the NIT semifinal game. Douby was named to the Big East All-Rookie Team at the end of his freshman year.
Douby improved on his freshman season by averaging 15.1 points a game (11th in the Big East) and 3.38 assists a game, while posting an assist-turnover ratio (2 to 1). He was named Big East player of the Week along with West Virginia's Tyrone Sally the week of November 29. Despite finishing last in the Big East, Rutgers upset Notre Dame in the first round of the Big East Tournament behind the play of Douby.
In his junior year, Douby, as guard, was named to the All Big-East team. He led the Big East in scoring with 25.4 points a game, becoming the first Rutgers player to lead the Big East in scoring. In addition, he broke the all-time single season scoring record at Rutgers. Douby scored a Big East season high and Carrier Dome opponent record 41 points at Syracuse on February 1, 2006. After leading Rutgers to a first round victory in the Big East tournament over Seton Hall, Douby dropped 31 over the #2 Villanova Wildcats. On May 15, 2006, Douby officially hired an agent making himself ineligible to return to college.
On June 28, 2006, Douby was drafted in the first round by the Sacramento Kings, nineteenth overall. Douby became the first Rutgers player to be drafted in the first round since Roy Hinson in 1983. On July 3, 2006, he was signed to a contract by Sacramento.
On February 18, 2009, Douby was waived by the Kings to make room for the trade that included Brad Miller and Drew Gooden.
On March 11, 2009, Douby was picked up by the Erie BayHawks of the NBA Development League.
On March 24, 2009, he was called up by the Toronto Raptors and signed to a 10-day contract. On April 3, he was signed to a second 10-day contract, which was extended up until the end of the 2008–09 season ten days later.
On November 12, 2009, Douby was released by the Raptors. He did not appear in any games for them during the 2009–10 NBA season.
On November 17, 2009, Douby signed a one-year contract with the Turkish team Darüşşafaka Cooper Tires. He finished as the top scorer of the Turkish Basketball League, averaging 23.6 points and 4.9 assists per game for his team.
On September 17, 2010, Douby signed a one-year contract with the Chinese team Xinjiang Flying Tigers.
In March 2012 he signed with UCAM Murcia until the end of the season.
Later that year, he returned to China as a member of the Zhejiang Golden Bulls. On January 2, 2013, Douby set a CBA record for points with 75. During the 2012–13 season, he averaged 31.6 points per game. Douby previously set CBA records for the most points scored in a Finals game (53) and in an All-Star game (44). At the end of the CBA season, he joined Sagesse Beirut in Lebanon. In September 2013, he played for Applied Science University at the 2013 FIBA Asia Champions Cup.
On November 1, 2013, he was acquired by the Sioux Falls Skyforce. Later that month, he left the Skyforce after just two games and signed with the Shanghai Sharks of China.
On February 28, 2014, he signed with Darüşşafaka & Doğuş of the Turkish Basketball Second League for the rest of the seaso