James "Buster" Douglas (born April 7, 1960) is an American former professional boxer who competed between 1981 and 1999. He reigned as undisputed world heavyweight champion in 1990 after knocking out Mike Tyson to win the title. His win over Tyson is regarded as one of the biggest upsets in boxing history.

The son of professional boxer William "Dynamite" Douglas, Douglas grew up in Columbus, Ohio, in the predominantly black Linden neighborhood of Windsor Terrace. It was his father, who ran a gym at the Blackburn Recreation Center near Downtown Columbus, and subsequently introduced young James to boxing.

He attended Linden McKinley High School, where he played football and basketball, leading Linden to a Class AAA state basketball championship in 1977. After high school, Douglas played basketball for the Coffeyville Community College Red Ravens in Coffeyville, Kansas, from 1977 to 1978; the 17-year-old was a 6'0" power forward. He is in the Coffeyville Community College Men's Basketball Hall of Fame.

He also played basketball at Sinclair Community College from 1979 to 1980 in Dayton, Ohio, before attending Mercyhurst University on a basketball scholarship. He moved back to Columbus to focus on boxing.

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