Clinton "Trey" Johnson III (born August 30, 1984) is an American-Qatari former professional basketball player and coach.

During his time in the D-League, he received a call-up to the NBA and has played for the Cleveland Cavaliers, the Toronto Raptors and the Los Angeles Lakers.

His father, Clinton Jr., and his older brother, Will, played college baseball for Jackson State University.

He starred as a pitcher during high school and after graduating, he was selected in the 30th round of the 2002 Major League Baseball draft by the Kansas City Royals.

However, at his first appearance as a pitcher for Alcorn State, he suffered a ligament injury on his elbow that required a Tommy John surgery.

[5] However, he was unsatisfied with the basketball program there and later transferred to Jackson State University for his junior season.

[citation needed] Due to the National Collegiate Athletic Association (NCAA) transfer rules, Johnson sat out the 2004–05 season.

After his junior season, he declared himself eligible for the 2006 NBA draft but later withdrew his name and decided to return to Jackson State for his senior year.

[7] However, their NCAA trip was cut short when the Tigers was beaten 112–69 by the eventual champion, Florida.

[9] He finished his college career with 1,698 points in only two seasons with Jackson State and became the school's eighth-all-time-leading scorer.

He later returned to the U.S. to sign with the Bakersfield Jam of the NBA Development League (D-League) on January 25, 2008.

[14] In July 2008, Johnson played for the Milwaukee Bucks in the 2008 NBA Summer League.

[18] On February 3, 2009, after playing 25 games while averaging 20.1 points with the Jam, Johnson was signed by the Cleveland Cavaliers on a 10-day contract.

[25] He was reportedly rejected an offer to play for the San Antonio Spurs Summer League roster and opted to play with the D-League Select Team which was coached by Scott Roth, his coach at Bakersfield Jam.

[14] In July 2010, Johnson played for the Los Angeles Clippers in the 2010 NBA Summer League.

[36] On January 26, 2011, after playing 26 games while averaging 25.8 points, Johnson signed a 10-day contract with the Toronto Raptors.

[39] After the All-Star Break, his second 10-day contract expired and Johnson returned to the D-League with the Jam.

[42] On that day, he played 13 minutes and scored 6 points in the Lakers' final regular season game.

[citation needed] On August 3, 2011, Johnson signed a one-year deal with Italian club Bancatercas Teramo.

[53] On December 5, 2014, he signed with Hitachi SunRockers of the Japanese National Basketball League.

[55] Johnson was followed by a film crew throughout the 2011 NBA D-League Showcase, and was the subject of a documentary.