Frederick Owen Williams (12 March 1926 – 20 January 2013) was a motorcycle speedway rider from Wales who was World Champion on two occasions.

[4] After attending training sessions at Rye House, he was signed by Alec Jackson for the Wembley Lions and in 1948 got a regular place in the team after injuries to George Wilks and Bill Kitchen.

[7] Williams became the first British rider to win two World titles (in 1950 and 1953), a feat only matched by Peter Craven (in 1955 and 1962) and Tai Woffinden (2013, 2015, 2018).

[6][13][14] Williams presented the winner's trophy to Australian rider Chris Holder at the 2012 Speedway Grand Prix of Great Britain held at the Millennium Stadium in Cardiff.

Williams died on 20 January 2013, aged 86, in the Great Western Hospital in Swindon following a stroke the previous day.