J. B. Williamson (born December 18, 1956 in Indianapolis, Indiana) was a professional boxer in the light heavyweight (175 lb) division.
Williamson turned pro in 1979 after a successful amateur career and won the Vacant WBC Light Heavyweight Title in 1985 in a decision over Prince Mama Mohammed. He lost the title in his first defense against Dennis Andries. Although he never challenged again for another major title, he moved up to heavyweight and became a journeyman fighter, fighting until 1995, losing matches against notable heavyweights Henry Akinwande, Peter McNeeley, Jimmy Thunder, and George Foreman.
| Achievements | ||
|---|---|---|
| Vacant
Title last held by
Leslie Stewart |
WBC Continental Americas Light Heavyweight Champion 18 October 1985 - 10 December 1985 Won world title |
Vacant
Title next held by
Virgil Hill |
| Preceded by Michael Spinks Vacated |
WBC Light Heavyweight Champion 10 Dec 1985 – 30 Apr 1986 |
Succeeded by Dennis Andries |