JB
Light heavyweight · United States
J. B. Williamson 26-16-0, 1 NC 10 KO · 1979–1995
J. B. Williamson was a light heavyweight boxer from United States, born Dec 18, 1956. Record 26-16-0, 1 NC with 10 knockouts over 1979–1995. World titles: WBC light heavyweight (1985–1986). J. B. Williamson last fought Keith McKnight on Dec 2, 1995 and lost by TKO in round 1 of 10.
Also: جی. بی. ویلیامسون · James Bennett Williamson · J・B・ウィリアムソン
Born Dec 18, 1956
Country 🇺🇸 United States
Stance Orthodox
Reach 198 cm
Debut Oct 27, 1979
Career 1979–1995
Rounds boxed 284
KO share 38%
Born in Indianapolis, Indiana, U.S.
Titles WBC light heavyweight · 1985–1986
Boxerbook rating 1254 ± 238 · inactive since Dec 1995Why here › Confirmed bouts 8 of 43
Career record Record
26-16-0, 1 NC, 10 KOs · 1979–1995
Last result L
Keith McKnight
TKO 1/10 · Lavergne
The record 43 bouts, 1979–1995, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 43, Wikipedia (ru) · 2, Wikipedia (ja) · 1, Wikipedia (es) · 1
L
Keith McKnight
TKO 1/10 · Lavergne
Williamson 26-15-0 · McKnight —
L
TKO 1/8 · Whitman Armory, Whitman, 🇺🇸
Williamson 26-14-0 · McNeeley 30-1-0
L
RTD 2/8 · Foxborough Raceway, Foxborough, 🇺🇸
Williamson 26-13-0 · McNeeley 27-1-0
L
Bobby Crabtree
KO 5/8 · Fort Smith
Williamson 26-12-0 · Crabtree —
L
TKO 3/8 · Coliseum, Charlotte
Williamson 26-11-0 · Heath —
L
Kenny Keene
TKO 4/10 · Hawks Memorial Stadium, Boise
Williamson 26-10-0 · Keene —
L
Alexander Zolkin
TKO 4/10 · Columbus
Williamson 26-9-0 · Zolkin —
L
TKO 5/10 · Newark
Williamson 26-8-0 · Tucker —
L
TKO 2/8 · Wembley Arena, London, 🇬🇧
Williamson 26-7-0 · Akinwande 8-0-0
L
PTS 10/10 · Biloxi
Williamson 26-6-0 · Coetzer —
L
TKO 10/10 · Jupiters Hotel & Casino, Broadbeach, 🇦🇺
Williamson 26-5-0 · Thunder 8-0-0
W
Cleveland Woods
UD 8/8 · Bally's Las Vegas, Las Vegas
Williamson 25-5-0 · Woods —
W
Gary Steiger
TKO 6/10 · Mackin Hall, Louisville
Williamson 24-5-0 · Steiger —
W
Danny Blake
UD 4/4 · Louisville
Williamson 23-5-0 · Blake —
NC
4/4 · Sherwood Club, Indianapolis
Williamson 23-5-0 · Ryan —
L
TKO 5/10 · Moody Gardens Hotel Spa, Galveston, Texas, 🇺🇸
Williamson 23-4-0 · Foreman 61-2-0
W
Eddie Blevins
KO 1/8 · Bedford Middle School, Bedford
Williamson 22-4-0 · Blevins —
L
Jesse Shelby
TKO 8/10 · The Forum, Inglewood
Williamson 22-3-0 · Shelby —
L
PTS 10/10 · Estadio Luna Park, Buenos Aires, 🇦🇷
Williamson 22-2-0 · Roldán 60-3-2
L
For WBC light heavyweight title SD 12/12 · Picketts Lock Stadium, Edmonton, 🇬🇧
Williamson 22-1-0 · Andries 26-6-2
Show all 43 bouts W
Prince Mama Mohammed
Won vacant WBC light heavyweight title UD 12/12 · The Forum, Inglewood
Williamson 21-1-0 · Mohammed —
W
Grover Robinson
UD 12/12 · The Forum, Inglewood
Williamson 20-1-0 · Robinson —
W
Jimmy Bills
UD 10/10 · The Forum, Inglewood
Williamson 19-1-0 · Bills —
W
Grover Robinson
UD 12/12 · The Forum, Inglewood
Williamson 18-1-0 · Robinson —
W
Chris Schwenke
UD 12/12 · Riviera Hotel & Casino, Las Vegas
Williamson 17-1-0 · Schwenke —
W
Pete McIntyre
SD 10/10 · The Forum, Inglewood
Williamson 16-1-0 · McIntyre —
W
James Salerno
TKO 3/10 · The Forum, Inglewood
Williamson 15-1-0 · Salerno —
W
James Williams
TKO 7/10 · Veterans Memorial Coliseum, Culver City
Williamson 14-1-0 · Williams —
W
Dale Grant
TKO 9/10 · Country Club, Reseda
Williamson 13-1-0 · Grant —
L
UD 10/10 · Sands Casino Hotel, Atlantic City
Williamson 13-0-0 · Ramos —
W
MD 10/10 · Caesars Palace Sports Pavilion, Paradise, 🇺🇸
Williamson 12-0-0 · Sutherland 36-8-0
W
Lee Burkey
UD 8/8 · Caesars Tahoe, Stateline
Williamson 11-0-0 · Burkey —
W
Raham Muhammed
UD 8/8 · The Forum, Inglewood
Williamson 10-0-0 · Muhammed —
W
Ted Sanders
UD 10/10 · Olympic Auditorium, Los Angeles
Williamson 9-0-0 · Sanders —
W
Antonio Adame
KO 6/8 · The Forum, Inglewood
Williamson 8-0-0 · Adame —
W
Antonio Adame
UD 10/10 · U. of Puget Sound Fieldhouse, Tacoma
Williamson 7-0-0 · Adame —
W
Jamie Thomas
UD 10/10 · Riverfront Coliseum, Cincinnati
Williamson 6-0-0 · Thomas —
W
Lander Clark
TKO 6/6 · Seattle Center Coliseum, Seattle
Williamson 5-0-0 · Clark —
W
Danny Kirk
TKO 1/6 · U. of Puget Sound Fieldhouse, Tacoma
Williamson 4-0-0 · Kirk —
W
KO 2/6 · Civic Center, Saint Paul
Williamson 3-0-0 · Martinez —
W
Ernie Rabotte
UD 6/6 · Sports Arena, Los Angeles
Williamson 2-0-0 · Rabotte —
W
Mike Hickman
KO 1/4 · Sports Arena, Los Angeles
Williamson 1-0-0 · Hickman —
W
Dennis Mancino
UD 4/4 · Sports Arena, Los Angeles
Williamson 0-0-0 · Mancino —
Ratings now Not in any current ranking.
World titles
Facts
What is J. B. Williamson's record? J. B. Williamson's professional record is 26-16-0, 1 NC with 10 knockouts.
Who did J. B. Williamson fight last? J. B. Williamson last fought Keith McKnight on Dec 2, 1995 and lost by TKO in round 1 of 10.
Which world titles has J. B. Williamson held? J. B. Williamson has held 1 world title reign: WBC light heavyweight (1985–1986). Sources Boxerbook ID 19373 · permanent link boxerbook.com/id/19373 . Wikidata (CC0), English Wikipedia (CC BY-SA). Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.