John B. Williams

John B. Williams may refer to:
 * John B. Williams (disc jockey) or John B (born 1977), English disc jockey
 * John B. Williams Jr. (born 1941), American bassist
 * John Beaumont Williams (1932–2005), Australian botanist
 * John Bell Williams (1918–1983), American politician
 * John Benson Williams or Ian Rotten (born 1970), American wrestler
 * John Brodie Williams or Johnnie Williams (1889–1963), American baseball player
 * John Burr Williams (1900–1989), American economist
 * John B. Williams (general), United States Air Force general
 * Sir John Bickerton Williams, English nonconformist author and lawyer