John Williams, English motorcycle racer (d. 1978)
John Williams (27 May 1946 – 12 August 1978) was an English motorcycle short-circuit road racer who also entered selected Grands Prix on the near-continent. He mostly raced as a "privateer" having a personal sponsor, Gerald Brown. Williams died in Northern Ireland, following an accident when racing at an event held on closed public roads near Dundrod.