The Associated Press is reporting, Wright, died at his home in Britain. A Pink Floyd spokesman said Wright had been diagnosed with cancer. However, Wright's family asked that no other information about his death be revealed.
Wright met band members Roger Waters and Nick Mason in college; together they formed the band Sigma 6.
In 1965, the three started Pink Floyd with Syd Barrett.
Pink Floyd is known for 1973's critically acclaimed album, "Dark Side of the Moon," which has sold 40 million copies to date.
After 1983's album "The Final Cut," Wright formed a band with Dave Harris of the band fashion. The duo released one album, "Identity."
After, band mate Waters left Pink Floyd in 1985, Wright returned to the group and recorded four more albums as part of Pink Floyd.
In July 2005, Wright, Waters, Mason and Gilmour reunited to perform at the "Live 8" charity concert in London - the first time in 25 years they had been onstage together.
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Check out Pink Floyd performing "Comfortably Numb" at Live 8.