Ian Williams (born 4 August 1931) is a former motorcycle speedway rider from Wales. With no Welsh team to represent, he earned eight international caps for the England national speedway team.
Williams began his career riding for the Port Talbot and District Motor Club on grass at the Swansea Greyhound Stadium on 26 June 1947.
Williams was a leading speedway rider in the 1950s. He reached the final of the Speedway World Championship in the 1957 Individual Speedway World Championship.
He rode in the top tier of British Speedway from 1957 to 1963, riding for Swindon Robins and became the club captain.
His two brothers, Freddie Williams and Eric Williams were also speedway riders, Freddie was a double World champion and acted as Ian's mechanic during the 1957 final.